231310203 has 8 divisors (see below), whose sum is σ = 310306368. Its totient is φ = 153260424.

The previous prime is 231310193. The next prime is 231310213. The reversal of 231310203 is 302013132.

It is an interprime number because it is at equal distance from previous prime (231310193) and next prime (231310213).

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

It is not a de Polignac number, because 231310203 - 2⁴ = 231310187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231310213) 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, 236025 + ... + 237002.

It is an arithmetic number, because the mean of its divisors is an integer number (38788296).

Almost surely, 2^231310203 is an apocalyptic number.

231310203 is a deficient number, since it is larger than the sum of its proper divisors (78996165).

231310203 is a wasteful number, since it uses less digits than its factorization.

231310203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473193.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 231310203 is about 15208.8856593769. The cubic root of 231310203 is about 613.8537735300.

Adding to 231310203 its reverse (302013132), we get a palindrome (533323335).

The spelling of 231310203 in words is "two hundred thirty-one million, three hundred ten thousand, two hundred three".