31753023631913 has 2 divisors, whose sum is σ = 31753023631914. Its totient is φ = 31753023631912.

The previous prime is 31753023631907. The next prime is 31753023631981. The reversal of 31753023631913 is 31913632035713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26268823097344 + 5484200534569 = 5125312^2 + 2341837^2 .

It is a cyclic number.

It is not a de Polignac number, because 31753023631913 - 2¹⁴ = 31753023615529 is a prime.

It is not a weakly prime, because it can be changed into another prime (31753023631613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15876511815956 + 15876511815957.

It is an arithmetic number, because the mean of its divisors is an integer number (15876511815957).

Almost surely, 2^{31753023631913} is an apocalyptic number.

It is an amenable number.

31753023631913 is a deficient number, since it is larger than the sum of its proper divisors (1).

31753023631913 is an equidigital number, since it uses as much as digits as its factorization.

31753023631913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 47.

The spelling of 31753023631913 in words is "thirty-one trillion, seven hundred fifty-three billion, twenty-three million, six hundred thirty-one thousand, nine hundred thirteen".