31230604405037 has 2 divisors, whose sum is σ = 31230604405038. Its totient is φ = 31230604405036.

The previous prime is 31230604404997. The next prime is 31230604405171. The reversal of 31230604405037 is 73050440603213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23669528837956 + 7561075567081 = 4865134^2 + 2749741^2 .

It is a cyclic number.

It is not a de Polignac number, because 31230604405037 - 2⁸ = 31230604404781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31230604405237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15615302202518 + 15615302202519.

It is an arithmetic number, because the mean of its divisors is an integer number (15615302202519).

Almost surely, 2^{31230604405037} is an apocalyptic number.

It is an amenable number.

31230604405037 is a deficient number, since it is larger than the sum of its proper divisors (1).

31230604405037 is an equidigital number, since it uses as much as digits as its factorization.

31230604405037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 31230604405037 in words is "thirty-one trillion, two hundred thirty billion, six hundred four million, four hundred five thousand, thirty-seven".