12302331 has 4 divisors (see below), whose sum is σ = 16403112. Its totient is φ = 8201552.

The previous prime is 12302321. The next prime is 12302347. The reversal of 12302331 is 13320321.

12302331 is digitally balanced in base 3, 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 12302331 - 2⁵ = 12302299 is a prime.

It is a super-2 number, since 2×12302331² = 302694696067122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12302331.

It is not an unprimeable number, because it can be changed into a prime (12302321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050386 + ... + 2050391.

It is an arithmetic number, because the mean of its divisors is an integer number (4100778).

Almost surely, 2^12302331 is an apocalyptic number.

12302331 is a deficient number, since it is larger than the sum of its proper divisors (4100781).

12302331 is an equidigital number, since it uses as much as digits as its factorization.

12302331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100780.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 12302331 is about 3507.4678900882. The cubic root of 12302331 is about 230.8496050717.

Adding to 12302331 its reverse (13320321), we get a palindrome (25622652).

The spelling of 12302331 in words is "twelve million, three hundred two thousand, three hundred thirty-one".