231708412 has 24 divisors (see below), whose sum is σ = 439376336. Its totient is φ = 106282368.

The previous prime is 231708409. The next prime is 231708427. The reversal of 231708412 is 214807132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5193 + ... + 22144.

Almost surely, 2^231708412 is an apocalyptic number.

It is an amenable number.

231708412 is a deficient number, since it is larger than the sum of its proper divisors (207667924).

231708412 is a wasteful number, since it uses less digits than its factorization.

231708412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27517 (or 27515 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 231708412 is about 15221.9713572191. The cubic root of 231708412 is about 614.2058288452.

The spelling of 231708412 in words is "two hundred thirty-one million, seven hundred eight thousand, four hundred twelve".