31079955044 has 12 divisors (see below), whose sum is σ = 55716505068. Its totient is φ = 15160953600.

The previous prime is 31079955043. The next prime is 31079955047. The reversal of 31079955044 is 44055997013.

It can be written as a sum of positive squares in 2 ways, for example, as 4015756900 + 27064198144 = 63370^2 + 164512^2 .

It is a super-2 number, since 2×31079955044² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31079955044.

It is not an unprimeable number, because it can be changed into a prime (31079955043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94755797 + ... + 94756124.

It is an arithmetic number, because the mean of its divisors is an integer number (4643042089).

Almost surely, 2^31079955044 is an apocalyptic number.

It is an amenable number.

31079955044 is a deficient number, since it is larger than the sum of its proper divisors (24636550024).

31079955044 is a wasteful number, since it uses less digits than its factorization.

31079955044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189511966 (or 189511964 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 31079955044 in words is "thirty-one billion, seventy-nine million, nine hundred fifty-five thousand, forty-four".