130431000240 has 60 divisors (see below), whose sum is σ = 438030778224. Its totient is φ = 34781599872.

The previous prime is 130431000199. The next prime is 130431000247. The reversal of 130431000240 is 42000134031.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is not an unprimeable number, because it can be changed into a prime (130431000247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90576364 + ... + 90577803.

Almost surely, 2^130431000240 is an apocalyptic number.

130431000240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130431000240 is an abundant number, since it is smaller than the sum of its proper divisors (307599777984).

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

130431000240 is a wasteful number, since it uses less digits than its factorization.

130431000240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181154186 (or 181154177 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 130431000240 its reverse (42000134031), we get a palindrome (172431134271).

The spelling of 130431000240 in words is "one hundred thirty billion, four hundred thirty-one million, two hundred forty", and thus it is an aban number.