2131232120 has 32 divisors (see below), whose sum is σ = 4827042720. Its totient is φ = 846844800.

The previous prime is 2131232101. The next prime is 2131232179. The reversal of 2131232120 is 212321312.

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, 170387 + ... + 182466.

It is an arithmetic number, because the mean of its divisors is an integer number (150845085).

Almost surely, 2^2131232120 is an apocalyptic number.

2131232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131232120 is an abundant number, since it is smaller than the sum of its proper divisors (2695810600).

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

2131232120 is a wasteful number, since it uses less digits than its factorization.

2131232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353015 (or 353011 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2131232120 is about 46165.2696298852. The cubic root of 2131232120 is about 1286.8963949774.

Adding to 2131232120 its reverse (212321312), we get a palindrome (2343553432).

The spelling of 2131232120 in words is "two billion, one hundred thirty-one million, two hundred thirty-two thousand, one hundred twenty".