231320338 has 8 divisors (see below), whose sum is σ = 362066688. Its totient is φ = 110631444.

The previous prime is 231320333. The next prime is 231320339. The reversal of 231320338 is 833023132.

It is a happy number.

231320338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (231320333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2514306 + ... + 2514397.

It is an arithmetic number, because the mean of its divisors is an integer number (45258336).

Almost surely, 2^231320338 is an apocalyptic number.

231320338 is a deficient number, since it is larger than the sum of its proper divisors (130746350).

231320338 is a wasteful number, since it uses less digits than its factorization.

231320338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028728.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 231320338 is about 15209.2188491060. The cubic root of 231320338 is about 613.8627388603.

The spelling of 231320338 in words is "two hundred thirty-one million, three hundred twenty thousand, three hundred thirty-eight".