231894117 has 96 divisors (see below), whose sum is σ = 437942400. Its totient is φ = 120185856.

The previous prime is 231894083. The next prime is 231894137. The reversal of 231894117 is 711498132.

It is a happy number.

231894117 is a `hidden beast` number, since 231 + 8 + 9 + 411 + 7 = 666.

It is not a de Polignac number, because 231894117 - 2¹¹ = 231892069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231894137) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1668234 + ... + 1668372.

It is an arithmetic number, because the mean of its divisors is an integer number (4561900).

Almost surely, 2^231894117 is an apocalyptic number.

231894117 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

231894117 is a deficient number, since it is larger than the sum of its proper divisors (206048283).

231894117 is a wasteful number, since it uses less digits than its factorization.

231894117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 259 counting only the distinct ones).

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

The square root of 231894117 is about 15228.0700352999. The cubic root of 231894117 is about 614.3698721417.

The spelling of 231894117 in words is "two hundred thirty-one million, eight hundred ninety-four thousand, one hundred seventeen".