1317832331 has 2 divisors, whose sum is σ = 1317832332. Its totient is φ = 1317832330.

The previous prime is 1317832283. The next prime is 1317832379. The reversal of 1317832331 is 1332387131.

It is a balanced prime because it is at equal distance from previous prime (1317832283) and next prime (1317832379).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1317832331 is a prime.

It is a super-2 number, since 2×1317832331² = 3473364105257787122, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1317832031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658916165 + 658916166.

It is an arithmetic number, because the mean of its divisors is an integer number (658916166).

Almost surely, 2^1317832331 is an apocalyptic number.

1317832331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317832331 is an equidigital number, since it uses as much as digits as its factorization.

1317832331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 1317832331 is about 36301.9604291559. The cubic root of 1317832331 is about 1096.3605145700.

The spelling of 1317832331 in words is "one billion, three hundred seventeen million, eight hundred thirty-two thousand, three hundred thirty-one".