12316031 has 16 divisors (see below), whose sum is σ = 15532608. Its totient is φ = 9504000.

The previous prime is 12315991. The next prime is 12316033. The reversal of 12316031 is 13061321.

It is a cyclic number.

It is not a de Polignac number, because 12316031 - 2⁶ = 12315967 is a prime.

It is a super-2 number, since 2×12316031² = 303369239185922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12316033) 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 15 ways as a sum of consecutive naturals, for example, 2081 + ... + 5381.

It is an arithmetic number, because the mean of its divisors is an integer number (970788).

Almost surely, 2^12316031 is an apocalyptic number.

12316031 is a deficient number, since it is larger than the sum of its proper divisors (3216577).

12316031 is a wasteful number, since it uses less digits than its factorization.

12316031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 12316031 is about 3509.4203225034. The cubic root of 12316031 is about 230.9352654324.

Adding to 12316031 its reverse (13061321), we get a palindrome (25377352).

The spelling of 12316031 in words is "twelve million, three hundred sixteen thousand, thirty-one".