2131211132 has 12 divisors (see below), whose sum is σ = 3729989760. Its totient is φ = 1065499776.

The previous prime is 2131211113. The next prime is 2131211161. The reversal of 2131211132 is 2311121312.

It is a self number, because there is not a number n which added to its sum of digits gives 2131211132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34469 + ... + 73827.

It is an arithmetic number, because the mean of its divisors is an integer number (310832480).

Almost surely, 2^2131211132 is an apocalyptic number.

It is an amenable number.

2131211132 is a deficient number, since it is larger than the sum of its proper divisors (1598778628).

2131211132 is a wasteful number, since it uses less digits than its factorization.

2131211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52900 (or 52898 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 2131211132 is about 46165.0423155877. The cubic root of 2131211132 is about 1286.8921705869.

Adding to 2131211132 its reverse (2311121312), we get a palindrome (4442332444).

The spelling of 2131211132 in words is "two billion, one hundred thirty-one million, two hundred eleven thousand, one hundred thirty-two".