231103312203 has 8 divisors (see below), whose sum is σ = 314693872128. Its totient is φ = 150790813544.

The previous prime is 231103312163. The next prime is 231103312213. The reversal of 231103312203 is 302213301132.

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 231103312203 - 2³² = 226808344907 is a prime.

It is a super-2 number, since 2×231103312203² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231103312203.

It is not an unprimeable number, because it can be changed into a prime (231103312213) 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, 819515151 + ... + 819515432.

It is an arithmetic number, because the mean of its divisors is an integer number (39336734016).

Almost surely, 2^231103312203 is an apocalyptic number.

231103312203 is a deficient number, since it is larger than the sum of its proper divisors (83590559925).

231103312203 is a wasteful number, since it uses less digits than its factorization.

231103312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639030633.

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

Adding to 231103312203 its reverse (302213301132), we get a palindrome (533316613335).

The spelling of 231103312203 in words is "two hundred thirty-one billion, one hundred three million, three hundred twelve thousand, two hundred three".