310313120137897 has 2 divisors, whose sum is σ = 310313120137898. Its totient is φ = 310313120137896.

The previous prime is 310313120137871. The next prime is 310313120137963. The reversal of 310313120137897 is 798731021313013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230653139678361 + 79659980459536 = 15187269^2 + 8925244^2 .

It is a cyclic number.

It is not a de Polignac number, because 310313120137897 - 2¹⁵ = 310313120105129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 310313120137897.

It is not a weakly prime, because it can be changed into another prime (310313120137297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155156560068948 + 155156560068949.

It is an arithmetic number, because the mean of its divisors is an integer number (155156560068949).

Almost surely, 2^{310313120137897} is an apocalyptic number.

It is an amenable number.

310313120137897 is a deficient number, since it is larger than the sum of its proper divisors (1).

310313120137897 is an equidigital number, since it uses as much as digits as its factorization.

310313120137897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 310313120137897 in words is "three hundred ten trillion, three hundred thirteen billion, one hundred twenty million, one hundred thirty-seven thousand, eight hundred ninety-seven".