2131112130 has 32 divisors (see below), whose sum is σ = 5845336704. Its totient is φ = 487111296.

The previous prime is 2131112101. The next prime is 2131112147. The reversal of 2131112130 is 312111312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 5073867 + ... + 5074286.

It is an arithmetic number, because the mean of its divisors is an integer number (182666772).

Almost surely, 2^2131112130 is an apocalyptic number.

2131112130 is an abundant number, since it is smaller than the sum of its proper divisors (3714224574).

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

2131112130 is a wasteful number, since it uses less digits than its factorization.

2131112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10148170.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2131112130 is about 46163.9700415811. The cubic root of 2131112130 is about 1286.8722434401.

Adding to 2131112130 its reverse (312111312), we get a palindrome (2443223442).

The spelling of 2131112130 in words is "two billion, one hundred thirty-one million, one hundred twelve thousand, one hundred thirty".