31110003212 has 6 divisors (see below), whose sum is σ = 54442505628. Its totient is φ = 15555001604.

The previous prime is 31110003203. The next prime is 31110003227. The reversal of 31110003212 is 21230001113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3888750398 + ... + 3888750405.

It is an arithmetic number, because the mean of its divisors is an integer number (9073750938).

Almost surely, 2^31110003212 is an apocalyptic number.

It is an amenable number.

31110003212 is a deficient number, since it is larger than the sum of its proper divisors (23332502416).

31110003212 is a wasteful number, since it uses less digits than its factorization.

31110003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777500807 (or 7777500805 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31110003212 its reverse (21230001113), we get a palindrome (52340004325).

The spelling of 31110003212 in words is "thirty-one billion, one hundred ten million, three thousand, two hundred twelve".