5131107220 has 48 divisors (see below), whose sum is σ = 10946376000. Its totient is φ = 2019983616.

The previous prime is 5131107217. The next prime is 5131107239. The reversal of 5131107220 is 227011315.

It is a happy number.

It is a super-2 number, since 2×5131107220² = 52656522606272256800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5131107191 and 5131107200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725019 + ... + 732061.

It is an arithmetic number, because the mean of its divisors is an integer number (228049500).

Almost surely, 2^5131107220 is an apocalyptic number.

It is an amenable number.

5131107220 is an abundant number, since it is smaller than the sum of its proper divisors (5815268780).

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

5131107220 is a wasteful number, since it uses less digits than its factorization.

5131107220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7624 (or 7622 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 5131107220 is about 71631.7472912674. The cubic root of 5131107220 is about 1724.7931945593.

Adding to 5131107220 its reverse (227011315), we get a palindrome (5358118535).

The spelling of 5131107220 in words is "five billion, one hundred thirty-one million, one hundred seven thousand, two hundred twenty".