103131110124 has 144 divisors (see below), whose sum is σ = 308357038080. Its totient is φ = 28440236160.

The previous prime is 103131109993. The next prime is 103131110149. The reversal of 103131110124 is 421011131301.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 103131110097 and 103131110106.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2974762 + ... + 3009230.

It is an arithmetic number, because the mean of its divisors is an integer number (2141368320).

Almost surely, 2^103131110124 is an apocalyptic number.

103131110124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103131110124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154178519040).

103131110124 is an abundant number, since it is smaller than the sum of its proper divisors (205225927956).

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

103131110124 is a wasteful number, since it uses less digits than its factorization.

103131110124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34900 (or 34895 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 103131110124 its reverse (421011131301), we get a palindrome (524142241425).

The spelling of 103131110124 in words is "one hundred three billion, one hundred thirty-one million, one hundred ten thousand, one hundred twenty-four".