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31303101096 = 23321725574429
BaseRepresentation
bin11101001001110011…
…110110101010101000
32222210120022022000200
4131021303312222220
51003102043213341
622214102032200
72155501653261
oct351163665250
988716268020
1031303101096
111230386a193
126097418660
132c4b347737
14172d535968
15c3322cdb6
hex749cf6aa8

31303101096 has 48 divisors (see below), whose sum is σ = 89766249300. Its totient is φ = 9820580352.

The previous prime is 31303101077. The next prime is 31303101107. The reversal of 31303101096 is 69010130313.

It can be written as a sum of positive squares in 2 ways, for example, as 25700578596 + 5602522500 = 160314^2 + 74850^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12785991 + ... + 12788438.

Almost surely, 231303101096 is an apocalyptic number.

31303101096 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

31303101096 is an abundant number, since it is smaller than the sum of its proper divisors (58463148204).

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

31303101096 is a wasteful number, since it uses less digits than its factorization.

31303101096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25574458 (or 25574451 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The spelling of 31303101096 in words is "thirty-one billion, three hundred three million, one hundred one thousand, ninety-six".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 34 36 51 68 72 102 136 153 204 306 408 612 1224 25574429 51148858 76723287 102297716 153446574 204595432 230169861 306893148 434765293 460339722 613786296 869530586 920679444 1304295879 1739061172 1841358888 2608591758 3478122344 3912887637 5217183516 7825775274 10434367032 15651550548 31303101096