231003322103 has 4 divisors (see below), whose sum is σ = 231158672160. Its totient is φ = 230847972048.

The previous prime is 231003322093. The next prime is 231003322117. The reversal of 231003322103 is 301223300132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231003322103 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 (231003322133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77672798 + ... + 77675771.

It is an arithmetic number, because the mean of its divisors is an integer number (57789668040).

Almost surely, 2^231003322103 is an apocalyptic number.

231003322103 is a deficient number, since it is larger than the sum of its proper divisors (155350057).

231003322103 is a wasteful number, since it uses less digits than its factorization.

231003322103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155350056.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 231003322103 its reverse (301223300132), we get a palindrome (532226622235).

The spelling of 231003322103 in words is "two hundred thirty-one billion, three million, three hundred twenty-two thousand, one hundred three".