12103331131 has 8 divisors (see below), whose sum is σ = 12436203824. Its totient is φ = 11772794880.

The previous prime is 12103331129. The next prime is 12103331137. The reversal of 12103331131 is 13113330121.

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

It is a cyclic number.

It is not a de Polignac number, because 12103331131 - 2¹ = 12103331129 is a prime.

It is a super-2 number, since 2×12103331131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12103331099 and 12103331108.

It is not an unprimeable number, because it can be changed into a prime (12103331137) 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, 573606 + ... + 594331.

It is an arithmetic number, because the mean of its divisors is an integer number (1554525478).

Almost surely, 2^12103331131 is an apocalyptic number.

12103331131 is a deficient number, since it is larger than the sum of its proper divisors (332872693).

12103331131 is a wasteful number, since it uses less digits than its factorization.

12103331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168221.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 12103331131 its reverse (13113330121), we get a palindrome (25216661252).

The spelling of 12103331131 in words is "twelve billion, one hundred three million, three hundred thirty-one thousand, one hundred thirty-one".