12430331131 has 4 divisors (see below), whose sum is σ = 12440051200. Its totient is φ = 12420611064.

The previous prime is 12430331119. The next prime is 12430331149. The reversal of 12430331131 is 13113303421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13113303421 = 23 ⋅570143627.

It is a cyclic number.

It is not a de Polignac number, because 12430331131 - 2⁷ = 12430331003 is a prime.

It is a super-2 number, since 2×12430331131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12430331171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4858116 + ... + 4860673.

It is an arithmetic number, because the mean of its divisors is an integer number (3110012800).

Almost surely, 2^12430331131 is an apocalyptic number.

12430331131 is a deficient number, since it is larger than the sum of its proper divisors (9720069).

12430331131 is an equidigital number, since it uses as much as digits as its factorization.

12430331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9720068.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12430331131 its reverse (13113303421), we get a palindrome (25543634552).

The spelling of 12430331131 in words is "twelve billion, four hundred thirty million, three hundred thirty-one thousand, one hundred thirty-one".