313011302213 has 2 divisors, whose sum is σ = 313011302214. Its totient is φ = 313011302212.

The previous prime is 313011302209. The next prime is 313011302243. The reversal of 313011302213 is 312203110313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239392961284 + 73618340929 = 489278^2 + 271327^2 .

It is a cyclic number.

It is not a de Polignac number, because 313011302213 - 2² = 313011302209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313011302243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156505651106 + 156505651107.

It is an arithmetic number, because the mean of its divisors is an integer number (156505651107).

Almost surely, 2^313011302213 is an apocalyptic number.

It is an amenable number.

313011302213 is a deficient number, since it is larger than the sum of its proper divisors (1).

313011302213 is an equidigital number, since it uses as much as digits as its factorization.

313011302213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 313011302213 its reverse (312203110313), we get a palindrome (625214412526).

The spelling of 313011302213 in words is "three hundred thirteen billion, eleven million, three hundred two thousand, two hundred thirteen".