1310431 has 2 divisors, whose sum is σ = 1310432. Its totient is φ = 1310430.

The previous prime is 1310417. The next prime is 1310467. The reversal of 1310431 is 1340131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310431 - 2⁵ = 1310399 is a prime.

It is a super-2 number, since 2×1310431² = 3434458811522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316431) 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, 655215 + 655216.

It is an arithmetic number, because the mean of its divisors is an integer number (655216).

2^1310431 is an apocalyptic number.

1310431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310431 is an equidigital number, since it uses as much as digits as its factorization.

1310431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1310431 is about 1144.7405819661. The cubic root of 1310431 is about 109.4304166522.

Adding to 1310431 its reverse (1340131), we get a palindrome (2650562).

It can be divided in two parts, 131043 and 1, that added together give a square (131044 = 362²).

The spelling of 1310431 in words is "one million, three hundred ten thousand, four hundred thirty-one".