31335439852 has 24 divisors (see below), whose sum is σ = 55084285872. Its totient is φ = 15597120000.

The previous prime is 31335439831. The next prime is 31335439859. The reversal of 31335439852 is 25893453313.

It is not an unprimeable number, because it can be changed into a prime (31335439859) 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 7 ways as a sum of consecutive naturals, for example, 4472352 + ... + 4479352.

It is an arithmetic number, because the mean of its divisors is an integer number (2295178578).

Almost surely, 2^31335439852 is an apocalyptic number.

It is an amenable number.

31335439852 is a deficient number, since it is larger than the sum of its proper divisors (23748846020).

31335439852 is a wasteful number, since it uses less digits than its factorization.

31335439852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11889 (or 11887 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 46.

The spelling of 31335439852 in words is "thirty-one billion, three hundred thirty-five million, four hundred thirty-nine thousand, eight hundred fifty-two".