130531105100 has 72 divisors (see below), whose sum is σ = 327179402928. Its totient is φ = 44673740800.

The previous prime is 130531105063. The next prime is 130531105109. The reversal of 130531105100 is 1501135031.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (130531105109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3471437 + ... + 3508836.

It is an arithmetic number, because the mean of its divisors is an integer number (4544158374).

Almost surely, 2^130531105100 is an apocalyptic number.

130531105100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130531105100 is an abundant number, since it is smaller than the sum of its proper divisors (196648297828).

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

130531105100 is a wasteful number, since it uses less digits than its factorization.

130531105100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6980315 (or 6980308 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 20.

The spelling of 130531105100 in words is "one hundred thirty billion, five hundred thirty-one million, one hundred five thousand, one hundred".