2153872231 has 24 divisors (see below), whose sum is σ = 2572748960. Its totient is φ = 1765094976.

The previous prime is 2153872223. The next prime is 2153872261. The reversal of 2153872231 is 1322783512.

It is not a de Polignac number, because 2153872231 - 2³ = 2153872223 is a prime.

It is a super-2 number, since 2×2153872231² = 9278331174945834722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153872211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 900385 + ... + 902773.

Almost surely, 2^2153872231 is an apocalyptic number.

2153872231 is a deficient number, since it is larger than the sum of its proper divisors (418876729).

2153872231 is an equidigital number, since it uses as much as digits as its factorization.

2153872231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551 (or 2492 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 2153872231 is about 46409.8290343759. The cubic root of 2153872231 is about 1291.4372601221.

The spelling of 2153872231 in words is "two billion, one hundred fifty-three million, eight hundred seventy-two thousand, two hundred thirty-one".