31431612526032 has 80 divisors (see below), whose sum is σ = 83381797509120. Its totient is φ = 10198579862016.

The previous prime is 31431612525953. The next prime is 31431612526081. The reversal of 31431612526032 is 23062521613413.

It is a super-2 number, since 2×31431612526032² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48319407 + ... + 48965582.

It is an arithmetic number, because the mean of its divisors is an integer number (1042272468864).

Almost surely, 2^{31431612526032} is an apocalyptic number.

It is an amenable number.

31431612526032 is an abundant number, since it is smaller than the sum of its proper divisors (51950184983088).

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

31431612526032 is a wasteful number, since it uses less digits than its factorization.

31431612526032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97285180 (or 97285174 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 31431612526032 in words is "thirty-one trillion, four hundred thirty-one billion, six hundred twelve million, five hundred twenty-six thousand, thirty-two".