103131100312 has 32 divisors (see below), whose sum is σ = 205835310000. Its totient is φ = 48302673408.

The previous prime is 103131100307. The next prime is 103131100343. The reversal of 103131100312 is 213001131301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3798237 + ... + 3825292.

Almost surely, 2^103131100312 is an apocalyptic number.

It is an amenable number.

103131100312 is a deficient number, since it is larger than the sum of its proper divisors (102704209688).

103131100312 is a wasteful number, since it uses less digits than its factorization.

103131100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7623643 (or 7623639 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 103131100312 its reverse (213001131301), we get a palindrome (316132231613).

The spelling of 103131100312 in words is "one hundred three billion, one hundred thirty-one million, one hundred thousand, three hundred twelve".