31152259707252 has 48 divisors (see below), whose sum is σ = 74462126703552. Its totient is φ = 10130730737920.

The previous prime is 31152259707139. The next prime is 31152259707277. The reversal of 31152259707252 is 25270795225113.

It is a junction number, because it is equal to n+sod(n) for n = 31152259707195 and 31152259707204.

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, 87298063 + ... + 87654185.

It is an arithmetic number, because the mean of its divisors is an integer number (1551294306324).

Almost surely, 2^{31152259707252} is an apocalyptic number.

It is an amenable number.

31152259707252 is an abundant number, since it is smaller than the sum of its proper divisors (43309866996300).

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

31152259707252 is a wasteful number, since it uses less digits than its factorization.

31152259707252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533968 (or 533966 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 31152259707252 in words is "thirty-one trillion, one hundred fifty-two billion, two hundred fifty-nine million, seven hundred seven thousand, two hundred fifty-two".