231608367 has 18 divisors (see below), whose sum is σ = 349730472. Its totient is φ = 147689256.

The previous prime is 231608353. The next prime is 231608381. The reversal of 231608367 is 763806132.

It is a happy number.

231608367 is a `hidden beast` number, since 231 + 60 + 8 + 367 = 666.

231608367 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231608353) and next prime (231608381).

It is not a de Polignac number, because 231608367 - 2¹² = 231604271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231607367) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19563 + ... + 29084.

Almost surely, 2^231608367 is an apocalyptic number.

231608367 is a deficient number, since it is larger than the sum of its proper divisors (118122105).

231608367 is a wasteful number, since it uses less digits than its factorization.

231608367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48699 (or 48673 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 231608367 is about 15218.6847986283. The cubic root of 231608367 is about 614.1174173404.

The spelling of 231608367 in words is "two hundred thirty-one million, six hundred eight thousand, three hundred sixty-seven".