7130431220 has 48 divisors (see below), whose sum is σ = 16558976448. Its totient is φ = 2557359360.

The previous prime is 7130431219. The next prime is 7130431223. The reversal of 7130431220 is 221340317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7130431223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 205934 + ... + 238053.

It is an arithmetic number, because the mean of its divisors is an integer number (344978676).

Almost surely, 2^7130431220 is an apocalyptic number.

It is an amenable number.

7130431220 is an abundant number, since it is smaller than the sum of its proper divisors (9428545228).

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

7130431220 is a wasteful number, since it uses less digits than its factorization.

7130431220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444080 (or 444078 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 7130431220 is about 84441.8807227788. The cubic root of 7130431220 is about 1924.7393784457.

Adding to 7130431220 its reverse (221340317), we get a palindrome (7351771537).

The spelling of 7130431220 in words is "seven billion, one hundred thirty million, four hundred thirty-one thousand, two hundred twenty".