316355020897 has 2 divisors, whose sum is σ = 316355020898. Its totient is φ = 316355020896.

The previous prime is 316355020873. The next prime is 316355020903. The reversal of 316355020897 is 798020553613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266487218176 + 49867802721 = 516224^2 + 223311^2 .

It is a cyclic number.

It is not a de Polignac number, because 316355020897 - 2²⁷ = 316220803169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316355020897.

It is not a weakly prime, because it can be changed into another prime (316355420897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158177510448 + 158177510449.

It is an arithmetic number, because the mean of its divisors is an integer number (158177510449).

Almost surely, 2^316355020897 is an apocalyptic number.

It is an amenable number.

316355020897 is a deficient number, since it is larger than the sum of its proper divisors (1).

316355020897 is an equidigital number, since it uses as much as digits as its factorization.

316355020897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 316355020897 in words is "three hundred sixteen billion, three hundred fifty-five million, twenty thousand, eight hundred ninety-seven".