12231103232031 has 4 divisors (see below), whose sum is σ = 16308137642712. Its totient is φ = 8154068821352.

The previous prime is 12231103231993. The next prime is 12231103232057. The reversal of 12231103232031 is 13023230113221.

12231103232031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12231103232031 - 2³⁰ = 12230029490207 is a prime.

It is a super-2 number, since 2×12231103232031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12231103231992 and 12231103232010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231103232071) 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, 2038517205336 + ... + 2038517205341.

It is an arithmetic number, because the mean of its divisors is an integer number (4077034410678).

Almost surely, 2^{12231103232031} is an apocalyptic number.

12231103232031 is a deficient number, since it is larger than the sum of its proper divisors (4077034410681).

12231103232031 is an equidigital number, since it uses as much as digits as its factorization.

12231103232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077034410680.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12231103232031 its reverse (13023230113221), we get a palindrome (25254333345252).

The spelling of 12231103232031 in words is "twelve trillion, two hundred thirty-one billion, one hundred three million, two hundred thirty-two thousand, thirty-one".