1310211431 has 2 divisors, whose sum is σ = 1310211432. Its totient is φ = 1310211430.

The previous prime is 1310211421. The next prime is 1310211449. The reversal of 1310211431 is 1341120131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310211431 - 2¹⁸ = 1309949287 is a prime.

It is a super-2 number, since 2×1310211431² = 3433307987846135522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310211421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655105715 + 655105716.

It is an arithmetic number, because the mean of its divisors is an integer number (655105716).

Almost surely, 2^1310211431 is an apocalyptic number.

1310211431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310211431 is an equidigital number, since it uses as much as digits as its factorization.

1310211431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1310211431 is about 36196.8428319377. The cubic root of 1310211431 is about 1094.2430444706.

Adding to 1310211431 its reverse (1341120131), we get a palindrome (2651331562).

The spelling of 1310211431 in words is "one billion, three hundred ten million, two hundred eleven thousand, four hundred thirty-one".