103131112012 has 6 divisors (see below), whose sum is σ = 180479446028. Its totient is φ = 51565556004.

The previous prime is 103131112009. The next prime is 103131112069. The reversal of 103131112012 is 210211131301.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12891388998 + ... + 12891389005.

Almost surely, 2^103131112012 is an apocalyptic number.

It is an amenable number.

103131112012 is a deficient number, since it is larger than the sum of its proper divisors (77348334016).

103131112012 is a wasteful number, since it uses less digits than its factorization.

103131112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25782778007 (or 25782778005 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 103131112012 its reverse (210211131301), we get a palindrome (313342243313).

The spelling of 103131112012 in words is "one hundred three billion, one hundred thirty-one million, one hundred twelve thousand, twelve".