231874911 has 12 divisors (see below), whose sum is σ = 338384592. Its totient is φ = 152989056.

The previous prime is 231874889. The next prime is 231874913. The reversal of 231874911 is 119478132.

It is a happy number.

It is not a de Polignac number, because 231874911 - 2¹⁴ = 231858527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231874913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131931 + ... + 133676.

It is an arithmetic number, because the mean of its divisors is an integer number (28198716).

Almost surely, 2^231874911 is an apocalyptic number.

231874911 is a deficient number, since it is larger than the sum of its proper divisors (106509681).

231874911 is a wasteful number, since it uses less digits than its factorization.

231874911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265710 (or 265707 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 231874911 is about 15227.4394104853. The cubic root of 231874911 is about 614.3529105018.

The spelling of 231874911 in words is "two hundred thirty-one million, eight hundred seventy-four thousand, nine hundred eleven".