12103131 has 8 divisors (see below), whose sum is σ = 16198144. Its totient is φ = 8038440.

The previous prime is 12103127. The next prime is 12103139. The reversal of 12103131 is 13130121.

12103131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12103131 - 2² = 12103127 is a prime.

It is a super-2 number, since 2×12103131² = 292971560006322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6631 + ... + 8256.

It is an arithmetic number, because the mean of its divisors is an integer number (2024768).

Almost surely, 2^12103131 is an apocalyptic number.

12103131 is a deficient number, since it is larger than the sum of its proper divisors (4095013).

12103131 is a wasteful number, since it uses less digits than its factorization.

12103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15161.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 12103131 is about 3478.9554466822. The cubic root of 12103131 is about 229.5968425693.

Adding to 12103131 its reverse (13130121), we get a palindrome (25233252).

The spelling of 12103131 in words is "twelve million, one hundred three thousand, one hundred thirty-one".