12303013031 has 4 divisors (see below), whose sum is σ = 12314523000. Its totient is φ = 12291503064.

The previous prime is 12303012991. The next prime is 12303013061. The reversal of 12303013031 is 13031030321.

12303013031 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 a de Polignac number, because none of the positive numbers 2^k-12303013031 is a prime.

It is a super-2 number, since 2×12303013031² (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 (12303013061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5753381 + ... + 5755518.

It is an arithmetic number, because the mean of its divisors is an integer number (3078630750).

Almost surely, 2^12303013031 is an apocalyptic number.

12303013031 is a deficient number, since it is larger than the sum of its proper divisors (11509969).

12303013031 is a wasteful number, since it uses less digits than its factorization.

12303013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11509968.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 12303013031 its reverse (13031030321), we get a palindrome (25334043352).

The spelling of 12303013031 in words is "twelve billion, three hundred three million, thirteen thousand, thirty-one".