2132202321 has 6 divisors (see below), whose sum is σ = 3079847810. Its totient is φ = 1421468208.

The previous prime is 2132202307. The next prime is 2132202353. The reversal of 2132202321 is 1232022312.

2132202321 is a `hidden beast` number, since 21 + 322 + 0 + 2 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1080108225 + 1052094096 = 32865^2 + 32436^2 .

It is not a de Polignac number, because 2132202321 - 2¹⁸ = 2131940177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2132202294 and 2132202303.

It is not an unprimeable number, because it can be changed into a prime (2132201321) 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, 118455676 + ... + 118455693.

Almost surely, 2^2132202321 is an apocalyptic number.

It is an amenable number.

2132202321 is a deficient number, since it is larger than the sum of its proper divisors (947645489).

2132202321 is a wasteful number, since it uses less digits than its factorization.

2132202321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236911375 (or 236911372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2132202321 is about 46175.7763443128. The cubic root of 2132202321 is about 1287.0916433421.

Adding to 2132202321 its reverse (1232022312), we get a palindrome (3364224633).

Subtracting from 2132202321 its reverse (1232022312), we obtain a square (900180009 = 30003²).

The spelling of 2132202321 in words is "two billion, one hundred thirty-two million, two hundred two thousand, three hundred twenty-one".