315065134873 has 2 divisors, whose sum is σ = 315065134874. Its totient is φ = 315065134872.

The previous prime is 315065134849. The next prime is 315065134883. The reversal of 315065134873 is 378431560513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314960031369 + 105103504 = 561213^2 + 10252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315065134873 is a prime.

It is a super-3 number, since 3×315065134873³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (315065134883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157532567436 + 157532567437.

It is an arithmetic number, because the mean of its divisors is an integer number (157532567437).

Almost surely, 2^315065134873 is an apocalyptic number.

It is an amenable number.

315065134873 is a deficient number, since it is larger than the sum of its proper divisors (1).

315065134873 is an equidigital number, since it uses as much as digits as its factorization.

315065134873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 315065134873 in words is "three hundred fifteen billion, sixty-five million, one hundred thirty-four thousand, eight hundred seventy-three".