130311302240 has 144 divisors (see below), whose sum is σ = 373755386592. Its totient is φ = 42049929216.

The previous prime is 130311302179. The next prime is 130311302273. The reversal of 130311302240 is 42203113031.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122384 + ... + 524976.

It is an arithmetic number, because the mean of its divisors is an integer number (2595523518).

Almost surely, 2^130311302240 is an apocalyptic number.

130311302240 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 130311302240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186877693296).

130311302240 is an abundant number, since it is smaller than the sum of its proper divisors (243444084352).

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

130311302240 is a wasteful number, since it uses less digits than its factorization.

130311302240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402649 (or 402624 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 130311302240 its reverse (42203113031), we get a palindrome (172514415271).

The spelling of 130311302240 in words is "one hundred thirty billion, three hundred eleven million, three hundred two thousand, two hundred forty".