31214712 has 16 divisors (see below), whose sum is σ = 78036840. Its totient is φ = 10404896.

The previous prime is 31214699. The next prime is 31214713. The reversal of 31214712 is 21741213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31214713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650283 + ... + 650330.

Almost surely, 2^31214712 is an apocalyptic number.

It is an amenable number.

31214712 is an abundant number, since it is smaller than the sum of its proper divisors (46822128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31214712 is a wasteful number, since it uses less digits than its factorization.

31214712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300622 (or 1300618 counting only the distinct ones).

The product of its digits is 336, while the sum is 21.

The square root of 31214712 is about 5587.0127975511. The cubic root of 31214712 is about 314.8616575683.

Adding to 31214712 its reverse (21741213), we get a palindrome (52955925).

The spelling of 31214712 in words is "thirty-one million, two hundred fourteen thousand, seven hundred twelve".