231080966 has 16 divisors (see below), whose sum is σ = 370799856. Its totient is φ = 107621376.

The previous prime is 231080963. The next prime is 231081001. The reversal of 231080966 is 669080132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231080963) 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, 31736 + ... + 38331.

It is an arithmetic number, because the mean of its divisors is an integer number (23174991).

Almost surely, 2^231080966 is an apocalyptic number.

231080966 is a deficient number, since it is larger than the sum of its proper divisors (139718890).

231080966 is a wasteful number, since it uses less digits than its factorization.

231080966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70183.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 231080966 is about 15201.3475060601. The cubic root of 231080966 is about 613.6509225434.

The spelling of 231080966 in words is "two hundred thirty-one million, eighty thousand, nine hundred sixty-six".