12431301231 has 8 divisors (see below), whose sum is σ = 16577742384. Its totient is φ = 8286197120.

The previous prime is 12431301217. The next prime is 12431301251. The reversal of 12431301231 is 13210313421.

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

It is a cyclic number.

It is not a de Polignac number, because 12431301231 - 2⁶ = 12431301167 is a prime.

It is a super-2 number, since 2×12431301231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12431301198 and 12431301207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431301251) 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, 312360 + ... + 349901.

It is an arithmetic number, because the mean of its divisors is an integer number (2072217798).

Almost surely, 2^12431301231 is an apocalyptic number.

12431301231 is a deficient number, since it is larger than the sum of its proper divisors (4146441153).

12431301231 is an equidigital number, since it uses as much as digits as its factorization.

12431301231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668521.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12431301231 its reverse (13210313421), we get a palindrome (25641614652).

The spelling of 12431301231 in words is "twelve billion, four hundred thirty-one million, three hundred one thousand, two hundred thirty-one".