12331319 has 32 divisors (see below), whose sum is σ = 16859136. Its totient is φ = 8709120.

The previous prime is 12331309. The next prime is 12331337. The reversal of 12331319 is 91313321.

It is not a de Polignac number, because 12331319 - 2⁴ = 12331303 is a prime.

It is a super-2 number, since 2×12331319² = 304122856559522, which contains 22 as substring.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12331294 and 12331303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97034 + ... + 97160.

It is an arithmetic number, because the mean of its divisors is an integer number (526848).

Almost surely, 2^12331319 is an apocalyptic number.

12331319 is a deficient number, since it is larger than the sum of its proper divisors (4527817).

12331319 is a wasteful number, since it uses less digits than its factorization.

12331319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255.

The product of its digits is 486, while the sum is 23.

The square root of 12331319 is about 3511.5977844850. The cubic root of 12331319 is about 231.0307799293.

It can be divided in two parts, 1233 and 1319, that added together give a palindrome (2552).

The spelling of 12331319 in words is "twelve million, three hundred thirty-one thousand, three hundred nineteen".