231245103 has 8 divisors (see below), whose sum is σ = 308430000. Its totient is φ = 154111808.

The previous prime is 231245081. The next prime is 231245111. The reversal of 231245103 is 301542132.

231245103 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 a cyclic number.

It is not a de Polignac number, because 231245103 - 2⁶ = 231245039 is a prime.

It is a super-2 number, since 2×231245103² = 106948595322961218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231245103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231245303) 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, 828 + ... + 21521.

It is an arithmetic number, because the mean of its divisors is an integer number (38553750).

Almost surely, 2^231245103 is an apocalyptic number.

231245103 is a deficient number, since it is larger than the sum of its proper divisors (77184897).

231245103 is a wasteful number, since it uses less digits than its factorization.

231245103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25801.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 231245103 is about 15206.7453125250. The cubic root of 231245103 is about 613.7961804080.

Adding to 231245103 its reverse (301542132), we get a palindrome (532787235).

The spelling of 231245103 in words is "two hundred thirty-one million, two hundred forty-five thousand, one hundred three".