31312014224 has 20 divisors (see below), whose sum is σ = 62146712460. Its totient is φ = 15274152960.

The previous prime is 31312014203. The next prime is 31312014259. The reversal of 31312014224 is 42241021313.

It can be written as a sum of positive squares in 2 ways, for example, as 588935824 + 30723078400 = 24268^2 + 175280^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31312014224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23865209 + ... + 23866520.

It is an arithmetic number, because the mean of its divisors is an integer number (3107335623).

Almost surely, 2^31312014224 is an apocalyptic number.

It is an amenable number.

31312014224 is a deficient number, since it is larger than the sum of its proper divisors (30834698236).

31312014224 is a wasteful number, since it uses less digits than its factorization.

31312014224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47731778 (or 47731772 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31312014224 its reverse (42241021313), we get a palindrome (73553035537).

The spelling of 31312014224 in words is "thirty-one billion, three hundred twelve million, fourteen thousand, two hundred twenty-four".