12103030131 has 16 divisors (see below), whose sum is σ = 16525998720. Its totient is φ = 7874677440.

The previous prime is 12103030073. The next prime is 12103030171. The reversal of 12103030131 is 13103030121.

It is not a de Polignac number, because 12103030131 - 2⁹ = 12103029619 is a prime.

It is a super-2 number, since 2×12103030131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12103030131.

It is not an unprimeable number, because it can be changed into a prime (12103030171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125151 + ... + 199671.

It is an arithmetic number, because the mean of its divisors is an integer number (1032874920).

Almost surely, 2^12103030131 is an apocalyptic number.

12103030131 is a deficient number, since it is larger than the sum of its proper divisors (4422968589).

12103030131 is a wasteful number, since it uses less digits than its factorization.

12103030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75826.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 12103030131 its reverse (13103030121), we get a palindrome (25206060252).

The spelling of 12103030131 in words is "twelve billion, one hundred three million, thirty thousand, one hundred thirty-one".