31948979041 has 16 divisors (see below), whose sum is σ = 36612736128. Its totient is φ = 27310233600.

The previous prime is 31948978993. The next prime is 31948979137. The reversal of 31948979041 is 14097984913.

It is a cyclic number.

It is not a de Polignac number, because 31948979041 - 2¹¹ = 31948976993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31948929041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4353211 + ... + 4360543.

It is an arithmetic number, because the mean of its divisors is an integer number (2288296008).

Almost surely, 2^31948979041 is an apocalyptic number.

It is an amenable number.

31948979041 is a deficient number, since it is larger than the sum of its proper divisors (4663757087).

31948979041 is an equidigital number, since it uses as much as digits as its factorization.

31948979041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 31948979041 in words is "thirty-one billion, nine hundred forty-eight million, nine hundred seventy-nine thousand, forty-one".