12332311231 has 4 divisors (see below), whose sum is σ = 12452042512. Its totient is φ = 12212579952.

The previous prime is 12332311217. The next prime is 12332311267. The reversal of 12332311231 is 13211323321.

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 12332311231 - 2¹⁵ = 12332278463 is a prime.

It is a super-2 number, since 2×12332311231² (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 (12332318231) 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, 59865486 + ... + 59865691.

It is an arithmetic number, because the mean of its divisors is an integer number (3113010628).

Almost surely, 2^12332311231 is an apocalyptic number.

12332311231 is a deficient number, since it is larger than the sum of its proper divisors (119731281).

12332311231 is a wasteful number, since it uses less digits than its factorization.

12332311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119731280.

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

Adding to 12332311231 its reverse (13211323321), we get a palindrome (25543634552).

The spelling of 12332311231 in words is "twelve billion, three hundred thirty-two million, three hundred eleven thousand, two hundred thirty-one".