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131431357400 = 2352731915909
BaseRepresentation
bin111101001100111101…
…0110101101111011000
3110120020200021201211212
41322121322311233120
54123132411414100
6140213450042252
712331664051000
oct1723172655730
9416220251755
10131431357400
1150815636132
1221580119388
13c5175b2085
14650b621000
15364384e635
hex1e99eb5bd8

131431357400 has 96 divisors (see below), whose sum is σ = 356359260000. Its totient is φ = 45062156160.

The previous prime is 131431357391. The next prime is 131431357427. The reversal of 131431357400 is 4753134131.

131431357400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 889355 + ... + 1026554.

It is an arithmetic number, because the mean of its divisors is an integer number (3712075625).

Almost surely, 2131431357400 is an apocalyptic number.

131431357400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131431357400 is an abundant number, since it is smaller than the sum of its proper divisors (224927902600).

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

131431357400 is a wasteful number, since it uses less digits than its factorization.

131431357400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915946 (or 1915923 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 131431357400 in words is "one hundred thirty-one billion, four hundred thirty-one million, three hundred fifty-seven thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 49 50 56 70 98 100 140 175 196 200 245 280 343 350 392 490 686 700 980 1225 1372 1400 1715 1960 2450 2744 3430 4900 6860 8575 9800 13720 17150 34300 68600 1915909 3831818 7663636 9579545 13411363 15327272 19159090 26822726 38318180 47897725 53645452 67056815 76636360 93879541 95795450 107290904 134113630 187759082 191590900 268227260 335284075 375518164 383181800 469397705 536454520 657156787 670568150 751036328 938795410 1314313574 1341136300 1877590820 2346988525 2628627148 2682272600 3285783935 3755181640 4693977050 5257254296 6571567870 9387954100 13143135740 16428919675 18775908200 26286271480 32857839350 65715678700 131431357400