231320303 has 8 divisors (see below), whose sum is σ = 233277408. Its totient is φ = 229371904.

The previous prime is 231320273. The next prime is 231320311. The reversal of 231320303 is 303023132.

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

It is a cyclic number.

It is not a de Polignac number, because 231320303 - 2¹⁰ = 231319279 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 57950 + ... + 61812.

It is an arithmetic number, because the mean of its divisors is an integer number (29159676).

Almost surely, 2^231320303 is an apocalyptic number.

231320303 is a deficient number, since it is larger than the sum of its proper divisors (1957105).

231320303 is a wasteful number, since it uses less digits than its factorization.

231320303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 231320303 is about 15209.2176984880. The cubic root of 231320303 is about 613.8627079001.

Adding to 231320303 its reverse (303023132), we get a palindrome (534343435).

The spelling of 231320303 in words is "two hundred thirty-one million, three hundred twenty thousand, three hundred three".