31503753132 has 24 divisors (see below), whose sum is σ = 73528627200. Its totient is φ = 10498412496.

The previous prime is 31503753107. The next prime is 31503753163. The reversal of 31503753132 is 23135730513.

It is a super-2 number, since 2×31503753132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31503753093 and 31503753102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308332 + ... + 397587.

It is an arithmetic number, because the mean of its divisors is an integer number (3063692800).

Almost surely, 2^31503753132 is an apocalyptic number.

It is an amenable number.

31503753132 is an abundant number, since it is smaller than the sum of its proper divisors (42024874068).

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

31503753132 is a wasteful number, since it uses less digits than its factorization.

31503753132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709645 (or 709643 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 33.

The spelling of 31503753132 in words is "thirty-one billion, five hundred three million, seven hundred fifty-three thousand, one hundred thirty-two".