31347414879 has 32 divisors (see below), whose sum is σ = 48027955200. Its totient is φ = 17986548960.

The previous prime is 31347414869. The next prime is 31347414883. The reversal of 31347414879 is 97841474313.

It is not a de Polignac number, because 31347414879 - 2¹³ = 31347406687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31347414829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 974202 + ... + 1005864.

It is an arithmetic number, because the mean of its divisors is an integer number (1500873600).

Almost surely, 2^31347414879 is an apocalyptic number.

31347414879 is a deficient number, since it is larger than the sum of its proper divisors (16680540321).

31347414879 is a wasteful number, since it uses less digits than its factorization.

31347414879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33275.

The product of its digits is 2032128, while the sum is 51.

The spelling of 31347414879 in words is "thirty-one billion, three hundred forty-seven million, four hundred fourteen thousand, eight hundred seventy-nine".