313013233213 has 2 divisors, whose sum is σ = 313013233214. Its totient is φ = 313013233212.

The previous prime is 313013233153. The next prime is 313013233259. The reversal of 313013233213 is 312332310313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311902144324 + 1111088889 = 558482^2 + 33333^2 .

It is a cyclic number.

It is not a de Polignac number, because 313013233213 - 2¹⁷ = 313013102141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313013236213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156506616606 + 156506616607.

It is an arithmetic number, because the mean of its divisors is an integer number (156506616607).

Almost surely, 2^313013233213 is an apocalyptic number.

It is an amenable number.

313013233213 is a deficient number, since it is larger than the sum of its proper divisors (1).

313013233213 is an equidigital number, since it uses as much as digits as its factorization.

313013233213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 313013233213 its reverse (312332310313), we get a palindrome (625345543526).

The spelling of 313013233213 in words is "three hundred thirteen billion, thirteen million, two hundred thirty-three thousand, two hundred thirteen".