31456502231604 has 48 divisors (see below), whose sum is σ = 78181430076288. Its totient is φ = 9809612520448.

The previous prime is 31456502231603. The next prime is 31456502231617. The reversal of 31456502231604 is 40613220565413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31456502231603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461638209 + ... + 461706344.

It is an arithmetic number, because the mean of its divisors is an integer number (1628779793256).

Almost surely, 2^{31456502231604} is an apocalyptic number.

31456502231604 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31456502231604 is an abundant number, since it is smaller than the sum of its proper divisors (46724927844684).

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

31456502231604 is a wasteful number, since it uses less digits than its factorization.

31456502231604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923344744 (or 923344742 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 31456502231604 in words is "thirty-one trillion, four hundred fifty-six billion, five hundred two million, two hundred thirty-one thousand, six hundred four".