313223140313 has 2 divisors, whose sum is σ = 313223140314. Its totient is φ = 313223140312.

The previous prime is 313223140301. The next prime is 313223140337. The reversal of 313223140313 is 313041322313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162032816089 + 151190324224 = 402533^2 + 388832^2 .

It is a cyclic number.

It is not a de Polignac number, because 313223140313 - 2⁴ = 313223140297 is a prime.

It is not a weakly prime, because it can be changed into another prime (313223140613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156611570156 + 156611570157.

It is an arithmetic number, because the mean of its divisors is an integer number (156611570157).

Almost surely, 2^313223140313 is an apocalyptic number.

It is an amenable number.

313223140313 is a deficient number, since it is larger than the sum of its proper divisors (1).

313223140313 is an equidigital number, since it uses as much as digits as its factorization.

313223140313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 313223140313 its reverse (313041322313), we get a palindrome (626264462626).

The spelling of 313223140313 in words is "three hundred thirteen billion, two hundred twenty-three million, one hundred forty thousand, three hundred thirteen".