2195131732 has 12 divisors (see below), whose sum is σ = 4067450100. Its totient is φ = 1033003136.

The previous prime is 2195131727. The next prime is 2195131739. The reversal of 2195131732 is 2371315912.

It can be written as a sum of positive squares in 2 ways, for example, as 1244396176 + 950735556 = 35276^2 + 30834^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195131739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16140607 + ... + 16140742.

It is an arithmetic number, because the mean of its divisors is an integer number (338954175).

Almost surely, 2^2195131732 is an apocalyptic number.

It is an amenable number.

2195131732 is a deficient number, since it is larger than the sum of its proper divisors (1872318368).

2195131732 is a wasteful number, since it uses less digits than its factorization.

2195131732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32281370 (or 32281368 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 2195131732 is about 46852.2329457199. The cubic root of 2195131732 is about 1299.6314008235.

The spelling of 2195131732 in words is "two billion, one hundred ninety-five million, one hundred thirty-one thousand, seven hundred thirty-two".