13042013230431 has 32 divisors (see below), whose sum is σ = 20339987397120. Its totient is φ = 8243047435392.

The previous prime is 13042013230423. The next prime is 13042013230457. The reversal of 13042013230431 is 13403231024031.

It is a happy number.

13042013230431 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 201 + 3 + 23 + 0 + 431 = 666.

It is not a de Polignac number, because 13042013230431 - 2³ = 13042013230423 is a prime.

It is a super-2 number, since 2×13042013230431² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13042013230395 and 13042013230404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13042013232431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92857401 + ... + 92997746.

It is an arithmetic number, because the mean of its divisors is an integer number (635624606160).

Almost surely, 2^{13042013230431} is an apocalyptic number.

13042013230431 is a deficient number, since it is larger than the sum of its proper divisors (7297974166689).

13042013230431 is a wasteful number, since it uses less digits than its factorization.

13042013230431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185855292 (or 185855286 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13042013230431 its reverse (13403231024031), we get a palindrome (26445244254462).

The spelling of 13042013230431 in words is "thirteen trillion, forty-two billion, thirteen million, two hundred thirty thousand, four hundred thirty-one".