163231032 has 32 divisors (see below), whose sum is σ = 408491280. Its totient is φ = 54355200.

The previous prime is 163231009. The next prime is 163231051. The reversal of 163231032 is 230132361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25782 + ... + 31482.

Almost surely, 2^163231032 is an apocalyptic number.

163231032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163231032 is an abundant number, since it is smaller than the sum of its proper divisors (245260248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163231032 is a wasteful number, since it uses less digits than its factorization.

163231032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6903 (or 6899 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 163231032 is about 12776.1900424187. The cubic root of 163231032 is about 546.5135181412.

Adding to 163231032 its reverse (230132361), we get a palindrome (393363393).

The spelling of 163231032 in words is "one hundred sixty-three million, two hundred thirty-one thousand, thirty-two".