13023242431 has 4 divisors (see below), whose sum is σ = 13023866664. Its totient is φ = 13022618200.

The previous prime is 13023242399. The next prime is 13023242437. The reversal of 13023242431 is 13424232031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13023242431 - 2⁵ = 13023242399 is a prime.

It is a super-2 number, since 2×13023242431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13023242396 and 13023242405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023242437) 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 in 3 ways as a sum of consecutive naturals, for example, 279700 + ... + 322921.

It is an arithmetic number, because the mean of its divisors is an integer number (3255966666).

Almost surely, 2^13023242431 is an apocalyptic number.

13023242431 is a deficient number, since it is larger than the sum of its proper divisors (624233).

13023242431 is an equidigital number, since it uses as much as digits as its factorization.

13023242431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624232.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13023242431 its reverse (13424232031), we get a palindrome (26447474462).

The spelling of 13023242431 in words is "thirteen billion, twenty-three million, two hundred forty-two thousand, four hundred thirty-one".