315351532129 has 2 divisors, whose sum is σ = 315351532130. Its totient is φ = 315351532128.

The previous prime is 315351532079. The next prime is 315351532147. The reversal of 315351532129 is 921235153513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270142141504 + 45209390625 = 519752^2 + 212625^2 .

It is a cyclic number.

It is not a de Polignac number, because 315351532129 - 2¹⁵ = 315351499361 is a prime.

It is a super-2 number, since 2×315351532129² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315351532091 and 315351532100.

It is not a weakly prime, because it can be changed into another prime (315351532829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157675766064 + 157675766065.

It is an arithmetic number, because the mean of its divisors is an integer number (157675766065).

Almost surely, 2^315351532129 is an apocalyptic number.

It is an amenable number.

315351532129 is a deficient number, since it is larger than the sum of its proper divisors (1).

315351532129 is an equidigital number, since it uses as much as digits as its factorization.

315351532129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121500, while the sum is 40.

The spelling of 315351532129 in words is "three hundred fifteen billion, three hundred fifty-one million, five hundred thirty-two thousand, one hundred twenty-nine".