131101103124 has 96 divisors (see below), whose sum is σ = 343475354880. Its totient is φ = 43240176000.

The previous prime is 131101103123. The next prime is 131101103171. The reversal of 131101103124 is 421301101131.

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 = 131101103097 and 131101103106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131101103123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24136689 + ... + 24142119.

It is an arithmetic number, because the mean of its divisors is an integer number (3577868280).

Almost surely, 2^131101103124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131101103124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171737677440).

131101103124 is an abundant number, since it is smaller than the sum of its proper divisors (212374251756).

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

131101103124 is a wasteful number, since it uses less digits than its factorization.

131101103124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7758 (or 7750 counting only the distinct ones).

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

Adding to 131101103124 its reverse (421301101131), we get a palindrome (552402204255).

The spelling of 131101103124 in words is "one hundred thirty-one billion, one hundred one million, one hundred three thousand, one hundred twenty-four".