2130131232 has 36 divisors (see below), whose sum is σ = 6057561510. Its totient is φ = 710043648.

The previous prime is 2130131231. The next prime is 2130131233. The reversal of 2130131232 is 2321310312.

2130131232 is a `hidden beast` number, since 21 + 301 + 312 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (2130131231) and next prime (2130131233).

It can be written as a sum of positive squares in only one way, i.e., 1622800656 + 507330576 = 40284^2 + 22524^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2130131231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3697857 + ... + 3698432.

Almost surely, 2^2130131232 is an apocalyptic number.

It is an amenable number.

2130131232 is an abundant number, since it is smaller than the sum of its proper divisors (3927430278).

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

2130131232 is a wasteful number, since it uses less digits than its factorization.

2130131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7396305 (or 7396294 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2130131232 is about 46153.3447541996. The cubic root of 2130131232 is about 1286.6747746930.

Adding to 2130131232 its reverse (2321310312), we get a palindrome (4451441544).

The spelling of 2130131232 in words is "two billion, one hundred thirty million, one hundred thirty-one thousand, two hundred thirty-two".