13012304431 has 8 divisors (see below), whose sum is σ = 14876874144. Its totient is φ = 11149152000.

The previous prime is 13012304359. The next prime is 13012304453. The reversal of 13012304431 is 13440321031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13012304431 - 2¹⁹ = 13011780143 is a prime.

It is a super-2 number, since 2×13012304431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012304491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334570 + ... + 371431.

It is an arithmetic number, because the mean of its divisors is an integer number (1859609268).

Almost surely, 2^13012304431 is an apocalyptic number.

13012304431 is a deficient number, since it is larger than the sum of its proper divisors (1864569713).

13012304431 is an equidigital number, since it uses as much as digits as its factorization.

13012304431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708641.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13012304431 its reverse (13440321031), we get a palindrome (26452625462).

The spelling of 13012304431 in words is "thirteen billion, twelve million, three hundred four thousand, four hundred thirty-one".