2131113320 has 32 divisors (see below), whose sum is σ = 5480006400. Its totient is φ = 730667328.

The previous prime is 2131113317. The next prime is 2131113331. The reversal of 2131113320 is 233111312.

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, 3805280 + ... + 3805839.

It is an arithmetic number, because the mean of its divisors is an integer number (171250200).

Almost surely, 2^2131113320 is an apocalyptic number.

2131113320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131113320 is an abundant number, since it is smaller than the sum of its proper divisors (3348893080).

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

2131113320 is a wasteful number, since it uses less digits than its factorization.

2131113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7611137 (or 7611133 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2131113320 is about 46163.9829304188. The cubic root of 2131113320 is about 1286.8724829672.

Adding to 2131113320 its reverse (233111312), we get a palindrome (2364224632).

The spelling of 2131113320 in words is "two billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred twenty".