1315536331 has 2 divisors, whose sum is σ = 1315536332. Its totient is φ = 1315536330.

The previous prime is 1315536329. The next prime is 1315536377. The reversal of 1315536331 is 1336355131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1315536331 - 2¹ = 1315536329 is a prime.

It is a super-2 number, since 2×1315536331² = 3461271676361883122, which contains 22 as substring.

Together with 1315536329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1315536293 and 1315536302.

It is not a weakly prime, because it can be changed into another prime (1315536301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657768165 + 657768166.

It is an arithmetic number, because the mean of its divisors is an integer number (657768166).

Almost surely, 2^1315536331 is an apocalyptic number.

1315536331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315536331 is an equidigital number, since it uses as much as digits as its factorization.

1315536331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12150, while the sum is 31.

The square root of 1315536331 is about 36270.3230065573. The cubic root of 1315536331 is about 1095.7234312344.

The spelling of 1315536331 in words is "one billion, three hundred fifteen million, five hundred thirty-six thousand, three hundred thirty-one".