313109999933 has 2 divisors, whose sum is σ = 313109999934. Its totient is φ = 313109999932.

The previous prime is 313109999899. The next prime is 313109999999. The reversal of 313109999933 is 339999901313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232057048729 + 81052951204 = 481723^2 + 284698^2 .

It is a cyclic number.

It is not a de Polignac number, because 313109999933 - 2²⁰ = 313108951357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313109999533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156554999966 + 156554999967.

It is an arithmetic number, because the mean of its divisors is an integer number (156554999967).

Almost surely, 2^313109999933 is an apocalyptic number.

It is an amenable number.

313109999933 is a deficient number, since it is larger than the sum of its proper divisors (1).

313109999933 is an equidigital number, since it uses as much as digits as its factorization.

313109999933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4782969, while the sum is 59.

The spelling of 313109999933 in words is "three hundred thirteen billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred thirty-three".