315710955481 has 2 divisors, whose sum is σ = 315710955482. Its totient is φ = 315710955480.

The previous prime is 315710955467. The next prime is 315710955529. The reversal of 315710955481 is 184559017513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245322090000 + 70388865481 = 495300^2 + 265309^2 .

It is a cyclic number.

It is not a de Polignac number, because 315710955481 - 2²¹ = 315708858329 is a prime.

It is a super-2 number, since 2×315710955481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315710959481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157855477740 + 157855477741.

It is an arithmetic number, because the mean of its divisors is an integer number (157855477741).

Almost surely, 2^315710955481 is an apocalyptic number.

It is an amenable number.

315710955481 is a deficient number, since it is larger than the sum of its proper divisors (1).

315710955481 is an equidigital number, since it uses as much as digits as its factorization.

315710955481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 49.

The spelling of 315710955481 in words is "three hundred fifteen billion, seven hundred ten million, nine hundred fifty-five thousand, four hundred eighty-one".