1310313022157 has 2 divisors, whose sum is σ = 1310313022158. Its totient is φ = 1310313022156.

The previous prime is 1310313022127. The next prime is 1310313022201. The reversal of 1310313022157 is 7512203130131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1199526562441 + 110786459716 = 1095229^2 + 332846^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310313022157 - 2¹⁸ = 1310312760013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310313022127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655156511078 + 655156511079.

It is an arithmetic number, because the mean of its divisors is an integer number (655156511079).

Almost surely, 2^{1310313022157} is an apocalyptic number.

It is an amenable number.

1310313022157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310313022157 is an equidigital number, since it uses as much as digits as its factorization.

1310313022157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

Adding to 1310313022157 its reverse (7512203130131), we get a palindrome (8822516152288).

The spelling of 1310313022157 in words is "one trillion, three hundred ten billion, three hundred thirteen million, twenty-two thousand, one hundred fifty-seven".