313133113529 has 2 divisors, whose sum is σ = 313133113530. Its totient is φ = 313133113528.

The previous prime is 313133113493. The next prime is 313133113603. The reversal of 313133113529 is 925311331313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281074927225 + 32058186304 = 530165^2 + 179048^2 .

It is a cyclic number.

It is not a de Polignac number, because 313133113529 - 2³⁶ = 244413636793 is a prime.

It is not a weakly prime, because it can be changed into another prime (313133113729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156566556764 + 156566556765.

It is an arithmetic number, because the mean of its divisors is an integer number (156566556765).

Almost surely, 2^313133113529 is an apocalyptic number.

It is an amenable number.

313133113529 is a deficient number, since it is larger than the sum of its proper divisors (1).

313133113529 is an equidigital number, since it uses as much as digits as its factorization.

313133113529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21870, while the sum is 35.

The spelling of 313133113529 in words is "three hundred thirteen billion, one hundred thirty-three million, one hundred thirteen thousand, five hundred twenty-nine".