13235694431 has 2 divisors, whose sum is σ = 13235694432. Its totient is φ = 13235694430.

The previous prime is 13235694371. The next prime is 13235694457. The reversal of 13235694431 is 13449653231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13235694431 - 2²² = 13231500127 is a prime.

It is a super-2 number, since 2×13235694431² (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 (13235694491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6617847215 + 6617847216.

It is an arithmetic number, because the mean of its divisors is an integer number (6617847216).

Almost surely, 2^13235694431 is an apocalyptic number.

13235694431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13235694431 is an equidigital number, since it uses as much as digits as its factorization.

13235694431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The spelling of 13235694431 in words is "thirteen billion, two hundred thirty-five million, six hundred ninety-four thousand, four hundred thirty-one".