315118269377 has 2 divisors, whose sum is σ = 315118269378. Its totient is φ = 315118269376.

The previous prime is 315118269331. The next prime is 315118269391. The reversal of 315118269377 is 773962811513.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231915443776 + 83202825601 = 481576^2 + 288449^2 .

It is a cyclic number.

It is not a de Polignac number, because 315118269377 - 2¹⁴ = 315118252993 is a prime.

It is a super-3 number, since 3×315118269377³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (315118260377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157559134688 + 157559134689.

It is an arithmetic number, because the mean of its divisors is an integer number (157559134689).

Almost surely, 2^315118269377 is an apocalyptic number.

It is an amenable number.

315118269377 is a deficient number, since it is larger than the sum of its proper divisors (1).

315118269377 is an equidigital number, since it uses as much as digits as its factorization.

315118269377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 53.

The spelling of 315118269377 in words is "three hundred fifteen billion, one hundred eighteen million, two hundred sixty-nine thousand, three hundred seventy-seven".