231163481 has 8 divisors (see below), whose sum is σ = 243473280. Its totient is φ = 218868048.

The previous prime is 231163459. The next prime is 231163487. The reversal of 231163481 is 184361132.

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 231163481 - 2²⁶ = 164054617 is a prime.

It is a super-2 number, since 2×231163481² = 106873109896074722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231163487) 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, 50375 + ... + 54771.

It is an arithmetic number, because the mean of its divisors is an integer number (30434160).

Almost surely, 2^231163481 is an apocalyptic number.

It is an amenable number.

231163481 is a deficient number, since it is larger than the sum of its proper divisors (12309799).

231163481 is a wasteful number, since it uses less digits than its factorization.

231163481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7183.

The product of its digits is 3456, while the sum is 29.

The square root of 231163481 is about 15204.0613324204. The cubic root of 231163481 is about 613.7239552138.

The spelling of 231163481 in words is "two hundred thirty-one million, one hundred sixty-three thousand, four hundred eighty-one".