12331401231 has 8 divisors (see below), whose sum is σ = 17409037104. Its totient is φ = 7737349760.

The previous prime is 12331401211. The next prime is 12331401253. The reversal of 12331401231 is 13210413321.

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 12331401231 - 2⁶ = 12331401167 is a prime.

It is a super-2 number, since 2×12331401231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12331401198 and 12331401207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331401211) 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, 120896040 + ... + 120896141.

It is an arithmetic number, because the mean of its divisors is an integer number (2176129638).

Almost surely, 2^12331401231 is an apocalyptic number.

12331401231 is a deficient number, since it is larger than the sum of its proper divisors (5077635873).

12331401231 is a wasteful number, since it uses less digits than its factorization.

12331401231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241792201.

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

Adding to 12331401231 its reverse (13210413321), we get a palindrome (25541814552).

The spelling of 12331401231 in words is "twelve billion, three hundred thirty-one million, four hundred one thousand, two hundred thirty-one".