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131434031300 = 2252111323399617
BaseRepresentation
bin111101001101000010…
…1000010100011000100
3110120020212022120202012
41322122011002203010
54123134103000200
6140214023233352
712332025555425
oct1723205024304
9416225276665
10131434031300
11508170a2070
1221580ba8858
13c51800a170
14650bb1964c
153643bcba35
hex1e9a1428c4

131434031300 has 144 divisors (see below), whose sum is σ = 349643371392. Its totient is φ = 42199449600.

The previous prime is 131434031293. The next prime is 131434031389. The reversal of 131434031300 is 3130434131.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129092 + ... + 528708.

It is an arithmetic number, because the mean of its divisors is an integer number (2428078968).

Almost surely, 2131434031300 is an apocalyptic number.

131434031300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131434031300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174821685696).

131434031300 is an abundant number, since it is smaller than the sum of its proper divisors (218209340092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131434031300 is a wasteful number, since it uses less digits than its factorization.

131434031300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399678 (or 399671 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131434031300 its reverse (3130434131), we get a palindrome (134564465431).

The spelling of 131434031300 in words is "one hundred thirty-one billion, four hundred thirty-four million, thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 11 13 20 22 23 25 26 44 46 50 52 55 65 92 100 110 115 130 143 220 230 253 260 275 286 299 325 460 506 550 572 575 598 650 715 1012 1100 1150 1196 1265 1300 1430 1495 2300 2530 2860 2990 3289 3575 5060 5980 6325 6578 7150 7475 12650 13156 14300 14950 16445 25300 29900 32890 65780 82225 164450 328900 399617 799234 1598468 1998085 3996170 4395787 5195021 7992340 8791574 9191191 9990425 10390042 17583148 18382382 19980850 20780084 21978935 25975105 36764764 39961700 43957870 45955955 51950210 57145231 87915740 91911910 101103101 103900420 109894675 114290462 119485483 129875525 183823820 202206202 219789350 228580924 229779775 238970966 259751050 285726155 404412404 439578700 459559550 477941932 505515505 519502100 571452310 597427415 919119100 1011031010 1142904620 1194854830 1314340313 1428630775 2022062020 2389709660 2527577525 2628680626 2857261550 2987137075 5055155050 5257361252 5714523100 5974274150 6571701565 10110310100 11948548300 13143403130 26286806260 32858507825 65717015650 131434031300