13412021431 has 2 divisors, whose sum is σ = 13412021432. Its totient is φ = 13412021430.

The previous prime is 13412021407. The next prime is 13412021437.

13412021431 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 13412021431 - 2²¹ = 13409924279 is a prime.

It is a super-2 number, since 2×13412021431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13412021437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6706010715 + 6706010716.

It is an arithmetic number, because the mean of its divisors is an integer number (6706010716).

Almost surely, 2^13412021431 is an apocalyptic number.

13412021431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13412021431 is an equidigital number, since it uses as much as digits as its factorization.

13412021431 is an odious number, because the sum of its binary digits is odd.

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

It can be divided in two parts, 134120 and 21431, that added together give a palindrome (155551).

The spelling of 13412021431 in words is "thirteen billion, four hundred twelve million, twenty-one thousand, four hundred thirty-one".