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1310030331320 = 235337533318223
BaseRepresentation
bin10011000100000011111…
…001000111110110111000
311122020102021012002002202
4103010003321013312320
5132430420231100240
62441453012245332
7163434526042004
oct23040371076670
94566367162082
101310030331320
11465642a73607
12191a86610848
13966c6174629
1447597765704
15241247c5315
hex13103e47db8

1310030331320 has 64 divisors (see below), whose sum is σ = 2957031342720. Its totient is φ = 522330568704.

The previous prime is 1310030331229. The next prime is 1310030331361. The reversal of 1310030331320 is 231330300131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1310030331292 and 1310030331301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71879729 + ... + 71897951.

It is an arithmetic number, because the mean of its divisors is an integer number (46203614730).

Almost surely, 21310030331320 is an apocalyptic number.

1310030331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310030331320 is an abundant number, since it is smaller than the sum of its proper divisors (1647001011400).

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

1310030331320 is a wasteful number, since it uses less digits than its factorization.

1310030331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23904 (or 23900 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 1310030331320 its reverse (231330300131), we get a palindrome (1541360631451).

The spelling of 1310030331320 in words is "one trillion, three hundred ten billion, thirty million, three hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 337 674 1348 1685 2696 3370 5333 6740 10666 13480 18223 21332 26665 36446 42664 53330 72892 91115 106660 145784 182230 213320 364460 728920 1797221 3594442 6141151 7188884 8986105 12282302 14377768 17972210 24564604 30705755 35944420 49129208 61411510 71888840 97183259 122823020 194366518 245646040 388733036 485916295 777466072 971832590 1943665180 3887330360 32750758283 65501516566 131003033132 163753791415 262006066264 327507582830 655015165660 1310030331320