2131310120 has 32 divisors (see below), whose sum is σ = 4798936800. Its totient is φ = 851903808.

The previous prime is 2131310119. The next prime is 2131310131. The reversal of 2131310120 is 210131312.

It is a super-2 number, since 2×2131310120² = 9084965655228828800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131310095 and 2131310104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38411 + ... + 75749.

It is an arithmetic number, because the mean of its divisors is an integer number (149966775).

Almost surely, 2^2131310120 is an apocalyptic number.

2131310120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131310120 is an abundant number, since it is smaller than the sum of its proper divisors (2667626680).

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

2131310120 is a wasteful number, since it uses less digits than its factorization.

2131310120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38777 (or 38773 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2131310120 is about 46166.1144130627. The cubic root of 2131310120 is about 1286.9120942989.

Adding to 2131310120 its reverse (210131312), we get a palindrome (2341441432).

The spelling of 2131310120 in words is "two billion, one hundred thirty-one million, three hundred ten thousand, one hundred twenty".