315351229537 has 2 divisors, whose sum is σ = 315351229538. Its totient is φ = 315351229536.

The previous prime is 315351229519. The next prime is 315351229549. The reversal of 315351229537 is 735922153513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296833190976 + 18518038561 = 544824^2 + 136081^2 .

It is a cyclic number.

It is not a de Polignac number, because 315351229537 - 2⁷ = 315351229409 is a prime.

It is a super-2 number, since 2×315351229537² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315351229577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157675614768 + 157675614769.

It is an arithmetic number, because the mean of its divisors is an integer number (157675614769).

Almost surely, 2^315351229537 is an apocalyptic number.

It is an amenable number.

315351229537 is a deficient number, since it is larger than the sum of its proper divisors (1).

315351229537 is an equidigital number, since it uses as much as digits as its factorization.

315351229537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 850500, while the sum is 46.

The spelling of 315351229537 in words is "three hundred fifteen billion, three hundred fifty-one million, two hundred twenty-nine thousand, five hundred thirty-seven".