12810031 has 12 divisors (see below), whose sum is σ = 13973880. Its totient is φ = 11737440.

The previous prime is 12810023. The next prime is 12810041. The reversal of 12810031 is 13001821.

12810031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12810031 - 2³ = 12810023 is a prime.

It is a super-2 number, since 2×12810031² = 328193788441922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12809987 and 12810014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12810041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38536 + ... + 38866.

It is an arithmetic number, because the mean of its divisors is an integer number (1164490).

Almost surely, 2^12810031 is an apocalyptic number.

12810031 is a deficient number, since it is larger than the sum of its proper divisors (1163849).

12810031 is a wasteful number, since it uses less digits than its factorization.

12810031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 12810031 is about 3579.1103643224. The cubic root of 12810031 is about 233.9825089807.

Adding to 12810031 its reverse (13001821), we get a palindrome (25811852).

The spelling of 12810031 in words is "twelve million, eight hundred ten thousand, thirty-one".