31485370006252 has 12 divisors (see below), whose sum is σ = 55103860171080. Its totient is φ = 15741409957376.

The previous prime is 31485370006159. The next prime is 31485370006253. The reversal of 31485370006252 is 25260007358413.

It is not an unprimeable number, because it can be changed into a prime (31485370006253) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 318705877 + ... + 318804652.

It is an arithmetic number, because the mean of its divisors is an integer number (4591988347590).

Almost surely, 2^{31485370006252} is an apocalyptic number.

It is an amenable number.

31485370006252 is a deficient number, since it is larger than the sum of its proper divisors (23618490164828).

31485370006252 is a wasteful number, since it uses less digits than its factorization.

31485370006252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637522880 (or 637522878 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 31485370006252 in words is "thirty-one trillion, four hundred eighty-five billion, three hundred seventy million, six thousand, two hundred fifty-two".