1313826331 has 2 divisors, whose sum is σ = 1313826332. Its totient is φ = 1313826330.

The previous prime is 1313826299. The next prime is 1313826341. The reversal of 1313826331 is 1336283131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313826331 - 2⁵ = 1313826299 is a prime.

It is a super-2 number, since 2×1313826331² = 3452279256057843122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313826293 and 1313826302.

It is not a weakly prime, because it can be changed into another prime (1313826341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656913165 + 656913166.

It is an arithmetic number, because the mean of its divisors is an integer number (656913166).

Almost surely, 2^1313826331 is an apocalyptic number.

1313826331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313826331 is an equidigital number, since it uses as much as digits as its factorization.

1313826331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 1313826331 is about 36246.7423501754. The cubic root of 1313826331 is about 1095.2484666522.

The spelling of 1313826331 in words is "one billion, three hundred thirteen million, eight hundred twenty-six thousand, three hundred thirty-one".