231320003 has 8 divisors (see below), whose sum is σ = 257818320. Its totient is φ = 206254080.

The previous prime is 231319987. The next prime is 231320009. The reversal of 231320003 is 300023132.

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 231320003 - 2⁴ = 231319987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231320003.

It is not an unprimeable number, because it can be changed into a prime (231320009) 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, 357758 + ... + 358403.

It is an arithmetic number, because the mean of its divisors is an integer number (32227290).

Almost surely, 2^231320003 is an apocalyptic number.

231320003 is a deficient number, since it is larger than the sum of its proper divisors (26498317).

231320003 is a wasteful number, since it uses less digits than its factorization.

231320003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716197.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 231320003 is about 15209.2078360446. The cubic root of 231320003 is about 613.8624425265.

Adding to 231320003 its reverse (300023132), we get a palindrome (531343135).

The spelling of 231320003 in words is "two hundred thirty-one million, three hundred twenty thousand, three".