231406159 has 8 divisors (see below), whose sum is σ = 245179008. Its totient is φ = 217651200.

The previous prime is 231406127. The next prime is 231406169. The reversal of 231406159 is 951604132.

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 231406159 - 2⁵ = 231406127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231406159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231406169) 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, 29679 + ... + 36655.

It is an arithmetic number, because the mean of its divisors is an integer number (30647376).

Almost surely, 2^231406159 is an apocalyptic number.

231406159 is a deficient number, since it is larger than the sum of its proper divisors (13772849).

231406159 is a wasteful number, since it uses less digits than its factorization.

231406159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8945.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 231406159 is about 15212.0399355248. The cubic root of 231406159 is about 613.9386448540.

The spelling of 231406159 in words is "two hundred thirty-one million, four hundred six thousand, one hundred fifty-nine".