130431043220 has 72 divisors (see below), whose sum is σ = 284237457504. Its totient is φ = 50273661312.

The previous prime is 130431043207. The next prime is 130431043241. The reversal of 130431043220 is 22340134031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8789447 + ... + 8804273.

Almost surely, 2^130431043220 is an apocalyptic number.

130431043220 is a gapful number since it is divisible by the number (10) 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 130431043220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142118728752).

130431043220 is an abundant number, since it is smaller than the sum of its proper divisors (153806414284).

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

130431043220 is a wasteful number, since it uses less digits than its factorization.

130431043220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15417 (or 15386 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 130431043220 its reverse (22340134031), we get a palindrome (152771177251).

The spelling of 130431043220 in words is "one hundred thirty billion, four hundred thirty-one million, forty-three thousand, two hundred twenty".