31011331324 has 6 divisors (see below), whose sum is σ = 54269829824. Its totient is φ = 15505665660.

The previous prime is 31011331237. The next prime is 31011331349. The reversal of 31011331324 is 42313311013.

It is a junction number, because it is equal to n+sod(n) for n = 31011331295 and 31011331304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3876416412 + ... + 3876416419.

Almost surely, 2^31011331324 is an apocalyptic number.

It is an amenable number.

31011331324 is a deficient number, since it is larger than the sum of its proper divisors (23258498500).

31011331324 is a wasteful number, since it uses less digits than its factorization.

31011331324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7752832835 (or 7752832833 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31011331324 its reverse (42313311013), we get a palindrome (73324642337).

The spelling of 31011331324 in words is "thirty-one billion, eleven million, three hundred thirty-one thousand, three hundred twenty-four".