31312012014 has 12 divisors (see below), whose sum is σ = 67842692736. Its totient is φ = 10437337332.

The previous prime is 31312012009. The next prime is 31312012091. The reversal of 31312012014 is 41021021313.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1739556223 = 31312012014 / (3 + 1 + 3 + 1 + 2 + 0 + 1 + 2 + 0 + 1 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 869778094 + ... + 869778129.

It is an arithmetic number, because the mean of its divisors is an integer number (5653557728).

Almost surely, 2^31312012014 is an apocalyptic number.

31312012014 is an abundant number, since it is smaller than the sum of its proper divisors (36530680722).

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

31312012014 is a wasteful number, since it uses less digits than its factorization.

31312012014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739556231 (or 1739556228 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31312012014 its reverse (41021021313), we get a palindrome (72333033327).

The spelling of 31312012014 in words is "thirty-one billion, three hundred twelve million, twelve thousand, fourteen".