2172032331 has 16 divisors (see below), whose sum is σ = 3359165184. Its totient is φ = 1222635744.

The previous prime is 2172032323. The next prime is 2172032341. The reversal of 2172032331 is 1332302712.

It is not a de Polignac number, because 2172032331 - 2³ = 2172032323 is a prime.

It is a super-2 number, since 2×2172032331² = 9435448893818587122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2172032341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770460 + ... + 773273.

It is an arithmetic number, because the mean of its divisors is an integer number (209947824).

Almost surely, 2^2172032331 is an apocalyptic number.

2172032331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2172032331 is a deficient number, since it is larger than the sum of its proper divisors (1187132853).

2172032331 is a wasteful number, since it uses less digits than its factorization.

2172032331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543810.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 2172032331 is about 46605.0676536361. The cubic root of 2172032331 is about 1295.0566367104.

The spelling of 2172032331 in words is "two billion, one hundred seventy-two million, thirty-two thousand, three hundred thirty-one".