12302332031 has 4 divisors (see below), whose sum is σ = 13420725864. Its totient is φ = 11183938200.

The previous prime is 12302332019. The next prime is 12302332033. The reversal of 12302332031 is 13023320321.

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 12302332031 - 2¹⁸ = 12302069887 is a prime.

It is a super-2 number, since 2×12302332031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12302331994 and 12302332012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302332033) 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, 559196900 + ... + 559196921.

It is an arithmetic number, because the mean of its divisors is an integer number (3355181466).

Almost surely, 2^12302332031 is an apocalyptic number.

12302332031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12302332031 is a deficient number, since it is larger than the sum of its proper divisors (1118393833).

12302332031 is a wasteful number, since it uses less digits than its factorization.

12302332031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118393832.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12302332031 its reverse (13023320321), we get a palindrome (25325652352).

It can be divided in two parts, 1 and 2302332031, that added together give a palindrome (2302332032).

The spelling of 12302332031 in words is "twelve billion, three hundred two million, three hundred thirty-two thousand, thirty-one".