231133220103 has 8 divisors (see below), whose sum is σ = 308230070400. Its totient is φ = 154062591608.

The previous prime is 231133220093. The next prime is 231133220111. The reversal of 231133220103 is 301022331132.

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 231133220103 - 2³² = 226838252807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231133220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231133220303) 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, 6534873 + ... + 6570146.

It is an arithmetic number, because the mean of its divisors is an integer number (38528758800).

Almost surely, 2^231133220103 is an apocalyptic number.

231133220103 is a deficient number, since it is larger than the sum of its proper divisors (77096850297).

231133220103 is a wasteful number, since it uses less digits than its factorization.

231133220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13110901.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231133220103 its reverse (301022331132), we get a palindrome (532155551235).

The spelling of 231133220103 in words is "two hundred thirty-one billion, one hundred thirty-three million, two hundred twenty thousand, one hundred three".