130311143220 has 48 divisors (see below), whose sum is σ = 365399350848. Its totient is φ = 34699338240.

The previous prime is 130311143201. The next prime is 130311143227. The reversal of 130311143220 is 22341113031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130311143227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1530069 + ... + 1612988.

It is an arithmetic number, because the mean of its divisors is an integer number (7612486476).

Almost surely, 2^130311143220 is an apocalyptic number.

130311143220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130311143220 is an abundant number, since it is smaller than the sum of its proper divisors (235088207628).

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

130311143220 is a wasteful number, since it uses less digits than its factorization.

130311143220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143760 (or 3143758 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 130311143220 its reverse (22341113031), we get a palindrome (152652256251).

The spelling of 130311143220 in words is "one hundred thirty billion, three hundred eleven million, one hundred forty-three thousand, two hundred twenty".