103131302112 has 60 divisors (see below), whose sum is σ = 303306302376. Its totient is φ = 34377099840.

The previous prime is 103131302083. The next prime is 103131302117. The reversal of 103131302112 is 211203131301.

103131302112 is a `hidden beast` number, since 10 + 313 + 130 + 211 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103131302117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19891564 + ... + 19896747.

Almost surely, 2^103131302112 is an apocalyptic number.

103131302112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103131302112 is an abundant number, since it is smaller than the sum of its proper divisors (200175000264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103131302112 is an equidigital number, since it uses as much as digits as its factorization.

103131302112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39788333 (or 39788316 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103131302112 its reverse (211203131301), we get a palindrome (314334433413).

The spelling of 103131302112 in words is "one hundred three billion, one hundred thirty-one million, three hundred two thousand, one hundred twelve".