231890367 has 8 divisors (see below), whose sum is σ = 309563440. Its totient is φ = 154405440.

The previous prime is 231890363. The next prime is 231890369. The reversal of 231890367 is 763098132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231890367 - 2² = 231890363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231890363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44134 + ... + 49107.

It is an arithmetic number, because the mean of its divisors is an integer number (38695430).

Almost surely, 2^231890367 is an apocalyptic number.

231890367 is a deficient number, since it is larger than the sum of its proper divisors (77673073).

231890367 is an equidigital number, since it uses as much as digits as its factorization.

231890367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94073.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 231890367 is about 15227.9469069208. The cubic root of 231890367 is about 614.3665604300.

The spelling of 231890367 in words is "two hundred thirty-one million, eight hundred ninety thousand, three hundred sixty-seven".