130431012240 has 160 divisors (see below), whose sum is σ = 413713520640. Its totient is φ = 33977728512.

The previous prime is 130431012233. The next prime is 130431012247. The reversal of 130431012240 is 42210134031.

It is an interprime number because it is at equal distance from previous prime (130431012233) and next prime (130431012247).

It is not an unprimeable number, because it can be changed into a prime (130431012247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6159591 + ... + 6180729.

It is an arithmetic number, because the mean of its divisors is an integer number (2585709504).

Almost surely, 2^130431012240 is an apocalyptic number.

130431012240 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 130431012240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206856760320).

130431012240 is an abundant number, since it is smaller than the sum of its proper divisors (283282508400).

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

130431012240 is a wasteful number, since it uses less digits than its factorization.

130431012240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21749 (or 21743 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 130431012240 its reverse (42210134031), we get a palindrome (172641146271).

The spelling of 130431012240 in words is "one hundred thirty billion, four hundred thirty-one million, twelve thousand, two hundred forty".