315897070501 has 2 divisors, whose sum is σ = 315897070502. Its totient is φ = 315897070500.

The previous prime is 315897070453. The next prime is 315897070507. The reversal of 315897070501 is 105070798513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262964865601 + 52932204900 = 512801^2 + 230070^2 .

It is a cyclic number.

It is not a de Polignac number, because 315897070501 - 2⁷ = 315897070373 is a prime.

It is a super-2 number, since 2×315897070501² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315897070507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157948535250 + 157948535251.

It is an arithmetic number, because the mean of its divisors is an integer number (157948535251).

Almost surely, 2^315897070501 is an apocalyptic number.

It is an amenable number.

315897070501 is a deficient number, since it is larger than the sum of its proper divisors (1).

315897070501 is an equidigital number, since it uses as much as digits as its factorization.

315897070501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 46.

The spelling of 315897070501 in words is "three hundred fifteen billion, eight hundred ninety-seven million, seventy thousand, five hundred one".