231543103 has 8 divisors (see below), whose sum is σ = 257967360. Its totient is φ = 206014680.

The previous prime is 231543097. The next prime is 231543119. The reversal of 231543103 is 301345132.

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 231543103 - 2⁵ = 231543071 is a prime.

It is a super-2 number, since 2×231543103² = 107224417093737218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231543133) 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, 223413 + ... + 224446.

It is an arithmetic number, because the mean of its divisors is an integer number (32245920).

Almost surely, 2^231543103 is an apocalyptic number.

231543103 is a deficient number, since it is larger than the sum of its proper divisors (26424257).

231543103 is a wasteful number, since it uses less digits than its factorization.

231543103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447917.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 231543103 is about 15216.5404412435. The cubic root of 231543103 is about 614.0597286871.

Adding to 231543103 its reverse (301345132), we get a palindrome (532888235).

The spelling of 231543103 in words is "two hundred thirty-one million, five hundred forty-three thousand, one hundred three".