2131910 has 16 divisors (see below), whose sum is σ = 4186512. Its totient is φ = 775200.

The previous prime is 2131907. The next prime is 2131937. The reversal of 2131910 is 191312.

It is a happy number.

It is a congruent number.

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, 9581 + ... + 9800.

It is an arithmetic number, because the mean of its divisors is an integer number (261657).

2^2131910 is an apocalyptic number.

2131910 is a deficient number, since it is larger than the sum of its proper divisors (2054602).

2131910 is a wasteful number, since it uses less digits than its factorization.

2131910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19399.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 2131910 is about 1460.1061605240. The cubic root of 2131910 is about 128.7032821358.

The spelling of 2131910 in words is "two million, one hundred thirty-one thousand, nine hundred ten".