1312142431 has 2 divisors, whose sum is σ = 1312142432. Its totient is φ = 1312142430.

The previous prime is 1312142417. The next prime is 1312142437. The reversal of 1312142431 is 1342412131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312142431 - 2⁷ = 1312142303 is a prime.

It is a super-2 number, since 2×1312142431² = 3443435518461179522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312142437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656071215 + 656071216.

It is an arithmetic number, because the mean of its divisors is an integer number (656071216).

Almost surely, 2^1312142431 is an apocalyptic number.

1312142431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312142431 is an equidigital number, since it uses as much as digits as its factorization.

1312142431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 1312142431 is about 36223.5066082786. The cubic root of 1312142431 is about 1094.7803486222.

Adding to 1312142431 its reverse (1342412131), we get a palindrome (2654554562).

The spelling of 1312142431 in words is "one billion, three hundred twelve million, one hundred forty-two thousand, four hundred thirty-one".