31010300012 has 24 divisors (see below), whose sum is σ = 54611407872. Its totient is φ = 15407330000.

The previous prime is 31010299987. The next prime is 31010300071. The reversal of 31010300012 is 21000301013.

It is a junction number, because it is equal to n+sod(n) for n = 31010299966 and 31010300002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396893 + ... + 468555.

It is an arithmetic number, because the mean of its divisors is an integer number (2275475328).

Almost surely, 2^31010300012 is an apocalyptic number.

It is an amenable number.

31010300012 is a deficient number, since it is larger than the sum of its proper divisors (23601107860).

31010300012 is a wasteful number, since it uses less digits than its factorization.

31010300012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72349 (or 72347 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 31010300012 its reverse (21000301013), we get a palindrome (52010601025).

The spelling of 31010300012 in words is "thirty-one billion, ten million, three hundred thousand, twelve".