31252232045132 has 24 divisors (see below), whose sum is σ = 62575734908064. Its totient is φ = 13378541415552.

The previous prime is 31252232045081. The next prime is 31252232045171. The reversal of 31252232045132 is 23154023225213.

It is a junction number, because it is equal to n+sod(n) for n = 31252232045092 and 31252232045101.

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 7 ways as a sum of consecutive naturals, for example, 636321593 + ... + 636370704.

It is an arithmetic number, because the mean of its divisors is an integer number (2607322287836).

Almost surely, 2^{31252232045132} is an apocalyptic number.

It is an amenable number.

31252232045132 is an abundant number, since it is smaller than the sum of its proper divisors (31323502862932).

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

31252232045132 is a wasteful number, since it uses less digits than its factorization.

31252232045132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272693185 (or 1272693183 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 31252232045132 in words is "thirty-one trillion, two hundred fifty-two billion, two hundred thirty-two million, forty-five thousand, one hundred thirty-two".