1139130331 has 2 divisors, whose sum is σ = 1139130332. Its totient is φ = 1139130330.

The previous prime is 1139130323. The next prime is 1139130337. The reversal of 1139130331 is 1330319311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1139130331 - 2³ = 1139130323 is a prime.

It is a super-2 number, since 2×1139130331² = 2595235822008339122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1139130296 and 1139130305.

It is not a weakly prime, because it can be changed into another prime (1139130337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569565165 + 569565166.

It is an arithmetic number, because the mean of its divisors is an integer number (569565166).

Almost surely, 2^1139130331 is an apocalyptic number.

1139130331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139130331 is an equidigital number, since it uses as much as digits as its factorization.

1139130331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 1139130331 is about 33751.0048887437. The cubic root of 1139130331 is about 1044.3782175950.

Adding to 1139130331 its reverse (1330319311), we get a palindrome (2469449642).

The spelling of 1139130331 in words is "one billion, one hundred thirty-nine million, one hundred thirty thousand, three hundred thirty-one".