313447794313 has 2 divisors, whose sum is σ = 313447794314. Its totient is φ = 313447794312.

The previous prime is 313447794293. The next prime is 313447794337. The reversal of 313447794313 is 313497744313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188349056064 + 125098738249 = 433992^2 + 353693^2 .

It is a cyclic number.

It is not a de Polignac number, because 313447794313 - 2³⁷ = 176008840841 is a prime.

It is not a weakly prime, because it can be changed into another prime (313447794353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156723897156 + 156723897157.

It is an arithmetic number, because the mean of its divisors is an integer number (156723897157).

Almost surely, 2^313447794313 is an apocalyptic number.

It is an amenable number.

313447794313 is a deficient number, since it is larger than the sum of its proper divisors (1).

313447794313 is an equidigital number, since it uses as much as digits as its factorization.

313447794313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 49.

The spelling of 313447794313 in words is "three hundred thirteen billion, four hundred forty-seven million, seven hundred ninety-four thousand, three hundred thirteen".