1139344331 has 2 divisors, whose sum is σ = 1139344332. Its totient is φ = 1139344330.

The previous prime is 1139344319. The next prime is 1139344379. The reversal of 1139344331 is 1334439311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1139344331 - 2¹⁸ = 1139082187 is a prime.

It is a super-2 number, since 2×1139344331² = 2596211009163675122, 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 (1139344931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569672165 + 569672166.

It is an arithmetic number, because the mean of its divisors is an integer number (569672166).

Almost surely, 2^1139344331 is an apocalyptic number.

1139344331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139344331 is an equidigital number, since it uses as much as digits as its factorization.

1139344331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The square root of 1139344331 is about 33754.1750158406. The cubic root of 1139344331 is about 1044.4436133735.

The spelling of 1139344331 in words is "one billion, one hundred thirty-nine million, three hundred forty-four thousand, three hundred thirty-one".