12403031013 has 8 divisors (see below), whose sum is σ = 18374860800. Its totient is φ = 8268687324.

The previous prime is 12403030999. The next prime is 12403031027. The reversal of 12403031013 is 31013030421.

It is an interprime number because it is at equal distance from previous prime (12403030999) and next prime (12403031027).

It is not a de Polignac number, because 12403031013 - 2⁶ = 12403030949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403031813) 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, 229685733 + ... + 229685786.

It is an arithmetic number, because the mean of its divisors is an integer number (2296857600).

Almost surely, 2^12403031013 is an apocalyptic number.

It is an amenable number.

12403031013 is a deficient number, since it is larger than the sum of its proper divisors (5971829787).

12403031013 is an equidigital number, since it uses as much as digits as its factorization.

12403031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459371528 (or 459371522 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12403031013 its reverse (31013030421), we get a palindrome (43416061434).

The spelling of 12403031013 in words is "twelve billion, four hundred three million, thirty-one thousand, thirteen".