31303210311112 has 32 divisors (see below), whose sum is σ = 59520892305600. Its totient is φ = 15430977576000.

The previous prime is 31303210311091. The next prime is 31303210311193. The reversal of 31303210311112 is 21111301230313.

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 7 ways as a sum of consecutive naturals, for example, 56467939 + ... + 57019597.

It is an arithmetic number, because the mean of its divisors is an integer number (1860027884550).

Almost surely, 2^{31303210311112} is an apocalyptic number.

It is an amenable number.

31303210311112 is a deficient number, since it is larger than the sum of its proper divisors (28217681994488).

31303210311112 is a wasteful number, since it uses less digits than its factorization.

31303210311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651637 (or 651633 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 31303210311112 its reverse (21111301230313), we get a palindrome (52414511541425).

The spelling of 31303210311112 in words is "thirty-one trillion, three hundred three billion, two hundred ten million, three hundred eleven thousand, one hundred twelve".