31536411463213 has 2 divisors, whose sum is σ = 31536411463214. Its totient is φ = 31536411463212.

The previous prime is 31536411463171. The next prime is 31536411463231. The reversal of 31536411463213 is 31236411463513.

Together with next prime (31536411463231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31028665434244 + 507746028969 = 5570338^2 + 712563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31536411463213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31536411463213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31536411463283) 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, 15768205731606 + 15768205731607.

It is an arithmetic number, because the mean of its divisors is an integer number (15768205731607).

Almost surely, 2^{31536411463213} is an apocalyptic number.

It is an amenable number.

31536411463213 is a deficient number, since it is larger than the sum of its proper divisors (1).

31536411463213 is an equidigital number, since it uses as much as digits as its factorization.

31536411463213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 43.

The spelling of 31536411463213 in words is "thirty-one trillion, five hundred thirty-six billion, four hundred eleven million, four hundred sixty-three thousand, two hundred thirteen".