231201659 has 8 divisors (see below), whose sum is σ = 257572560. Its totient is φ = 206057376.

The previous prime is 231201643. The next prime is 231201673. The reversal of 231201659 is 956102132.

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

It is a cyclic number.

It is not a de Polignac number, because 231201659 - 2⁴ = 231201643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231201629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306257 + ... + 307010.

It is an arithmetic number, because the mean of its divisors is an integer number (32196570).

Almost surely, 2^231201659 is an apocalyptic number.

231201659 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

231201659 is a deficient number, since it is larger than the sum of its proper divisors (26370901).

231201659 is a wasteful number, since it uses less digits than its factorization.

231201659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613309.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 231201659 is about 15205.3168003827. The cubic root of 231201659 is about 613.7577400533.

The spelling of 231201659 in words is "two hundred thirty-one million, two hundred one thousand, six hundred fifty-nine".