31328160752 has 40 divisors (see below), whose sum is σ = 69518157696. Its totient is φ = 13397582016.

The previous prime is 31328160749. The next prime is 31328160841. The reversal of 31328160752 is 25706182313.

It is a super-2 number, since 2×31328160752² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 247178 + ... + 351785.

Almost surely, 2^31328160752 is an apocalyptic number.

It is an amenable number.

31328160752 is an abundant number, since it is smaller than the sum of its proper divisors (38189996944).

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

31328160752 is a wasteful number, since it uses less digits than its factorization.

31328160752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599445 (or 599439 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 31328160752 in words is "thirty-one billion, three hundred twenty-eight million, one hundred sixty thousand, seven hundred fifty-two".