231941196 has 18 divisors (see below), whose sum is σ = 586295892. Its totient is φ = 77313720.

The previous prime is 231941191. The next prime is 231941231. The reversal of 231941196 is 691149132.

It is a happy number.

231941196 is a `hidden beast` number, since 231 + 9 + 411 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6442811 = 231941196 / (2 + 3 + 1 + 9 + 4 + 1 + 1 + 9 + 6).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 231941196.

It is not an unprimeable number, because it can be changed into a prime (231941191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3221370 + ... + 3221441.

It is an arithmetic number, because the mean of its divisors is an integer number (32571994).

Almost surely, 2^231941196 is an apocalyptic number.

It is an amenable number.

231941196 is an abundant number, since it is smaller than the sum of its proper divisors (354354696).

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

231941196 is a wasteful number, since it uses less digits than its factorization.

231941196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6442821 (or 6442816 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 231941196 is about 15229.6157535244. The cubic root of 231941196 is about 614.4114456588.

The spelling of 231941196 in words is "two hundred thirty-one million, nine hundred forty-one thousand, one hundred ninety-six".