31162312004 has 12 divisors (see below), whose sum is σ = 54659993724. Its totient is φ = 15545170944.

The previous prime is 31162311991. The next prime is 31162312019. The reversal of 31162312004 is 40021326113.

It can be written as a sum of positive squares in 2 ways, for example, as 11519728900 + 19642583104 = 107330^2 + 140152^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8994317 + ... + 8997780.

It is an arithmetic number, because the mean of its divisors is an integer number (4554999477).

Almost surely, 2^31162312004 is an apocalyptic number.

It is an amenable number.

31162312004 is a deficient number, since it is larger than the sum of its proper divisors (23497681720).

31162312004 is a wasteful number, since it uses less digits than its factorization.

31162312004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17992534 (or 17992532 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31162312004 its reverse (40021326113), we get a palindrome (71183638117).

The spelling of 31162312004 in words is "thirty-one billion, one hundred sixty-two million, three hundred twelve thousand, four".