2872438231 has 4 divisors (see below), whose sum is σ = 3093395032. Its totient is φ = 2651481432.

The previous prime is 2872438199. The next prime is 2872438301. The reversal of 2872438231 is 1328342782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2872438231 - 2⁵ = 2872438199 is a prime.

It is a super-2 number, since 2×2872438231² = 16501802781820818722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872438531) 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, 110478381 + ... + 110478406.

It is an arithmetic number, because the mean of its divisors is an integer number (773348758).

Almost surely, 2^2872438231 is an apocalyptic number.

2872438231 is a deficient number, since it is larger than the sum of its proper divisors (220956801).

2872438231 is a wasteful number, since it uses less digits than its factorization.

2872438231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220956800.

The product of its digits is 129024, while the sum is 40.

The square root of 2872438231 is about 53595.1325308558. The cubic root of 2872438231 is about 1421.5110264356.

The spelling of 2872438231 in words is "two billion, eight hundred seventy-two million, four hundred thirty-eight thousand, two hundred thirty-one".