313196310797 has 2 divisors, whose sum is σ = 313196310798. Its totient is φ = 313196310796.

The previous prime is 313196310761. The next prime is 313196310803. The reversal of 313196310797 is 797013691313.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195913349641 + 117282961156 = 442621^2 + 342466^2 .

It is a cyclic number.

It is not a de Polignac number, because 313196310797 - 2¹⁶ = 313196245261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313196310697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156598155398 + 156598155399.

It is an arithmetic number, because the mean of its divisors is an integer number (156598155399).

Almost surely, 2^313196310797 is an apocalyptic number.

It is an amenable number.

313196310797 is a deficient number, since it is larger than the sum of its proper divisors (1).

313196310797 is an equidigital number, since it uses as much as digits as its factorization.

313196310797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 642978, while the sum is 50.

The spelling of 313196310797 in words is "three hundred thirteen billion, one hundred ninety-six million, three hundred ten thousand, seven hundred ninety-seven".