2131200344 has 32 divisors (see below), whose sum is σ = 4918156320. Its totient is φ = 843111936.

The previous prime is 2131200329. The next prime is 2131200349. The reversal of 2131200344 is 4430021312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131200349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1463009 + ... + 1464464.

It is an arithmetic number, because the mean of its divisors is an integer number (153692385).

Almost surely, 2^2131200344 is an apocalyptic number.

It is an amenable number.

2131200344 is an abundant number, since it is smaller than the sum of its proper divisors (2786955976).

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

2131200344 is a wasteful number, since it uses less digits than its factorization.

2131200344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927499 (or 2927495 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2131200344 is about 46164.9254737837. The cubic root of 2131200344 is about 1286.8899992056.

Adding to 2131200344 its reverse (4430021312), we get a palindrome (6561221656).

The spelling of 2131200344 in words is "two billion, one hundred thirty-one million, two hundred thousand, three hundred forty-four".