1334131231 has 2 divisors, whose sum is σ = 1334131232. Its totient is φ = 1334131230.

The previous prime is 1334131217. The next prime is 1334131241. The reversal of 1334131231 is 1321314331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1334131231 - 2⁵ = 1334131199 is a prime.

It is a super-2 number, since 2×1334131231² = 3559812283059150722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1334131241) 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, 667065615 + 667065616.

It is an arithmetic number, because the mean of its divisors is an integer number (667065616).

Almost surely, 2^1334131231 is an apocalyptic number.

1334131231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1334131231 is an equidigital number, since it uses as much as digits as its factorization.

1334131231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 1334131231 is about 36525.7611967225. The cubic root of 1334131231 is about 1100.8619225221.

Adding to 1334131231 its reverse (1321314331), we get a palindrome (2655445562).

The spelling of 1334131231 in words is "one billion, three hundred thirty-four million, one hundred thirty-one thousand, two hundred thirty-one".