31120935879 has 16 divisors (see below), whose sum is σ = 47929570560. Its totient is φ = 17751692160.

The previous prime is 31120935877. The next prime is 31120935889. The reversal of 31120935879 is 97853902113.

It is not a de Polignac number, because 31120935879 - 2¹ = 31120935877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31120935877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27736459 + ... + 27737580.

It is an arithmetic number, because the mean of its divisors is an integer number (2995598160).

Almost surely, 2^31120935879 is an apocalyptic number.

31120935879 is a deficient number, since it is larger than the sum of its proper divisors (16808634681).

31120935879 is a wasteful number, since it uses less digits than its factorization.

31120935879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55474070.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 31120935879 in words is "thirty-one billion, one hundred twenty million, nine hundred thirty-five thousand, eight hundred seventy-nine".