131000104103240 has 128 divisors (see below), whose sum is σ = 296624699654400. Its totient is φ = 52068159037440.

The previous prime is 131000104103213. The next prime is 131000104103261. The reversal of 131000104103240 is 42301401000131.

It is a super-2 number, since 2×131000104103240² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4839832187 + ... + 4839859253.

It is an arithmetic number, because the mean of its divisors is an integer number (2317380466050).

Almost surely, 2^{131000104103240} is an apocalyptic number.

131000104103240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131000104103240 is an abundant number, since it is smaller than the sum of its proper divisors (165624595551160).

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

131000104103240 is a wasteful number, since it uses less digits than its factorization.

131000104103240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28615 (or 28611 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131000104103240 its reverse (42301401000131), we get a palindrome (173301505103371).

The spelling of 131000104103240 in words is "one hundred thirty-one trillion, one hundred four million, one hundred three thousand, two hundred forty".