31004412037 has 2 divisors, whose sum is σ = 31004412038. Its totient is φ = 31004412036.

The previous prime is 31004412007. The next prime is 31004412041. The reversal of 31004412037 is 73021440013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22836952161 + 8167459876 = 151119^2 + 90374^2 .

It is a cyclic number.

It is not a de Polignac number, because 31004412037 - 2²⁷ = 30870194309 is a prime.

It is a super-2 number, since 2×31004412037² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31004412007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15502206018 + 15502206019.

It is an arithmetic number, because the mean of its divisors is an integer number (15502206019).

Almost surely, 2^31004412037 is an apocalyptic number.

It is an amenable number.

31004412037 is a deficient number, since it is larger than the sum of its proper divisors (1).

31004412037 is an equidigital number, since it uses as much as digits as its factorization.

31004412037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 31004412037 in words is "thirty-one billion, four million, four hundred twelve thousand, thirty-seven".