231231212230003 has 4 divisors (see below), whose sum is σ = 231231243653800. Its totient is φ = 231231180806208.

The previous prime is 231231212229991. The next prime is 231231212230019. The reversal of 231231212230003 is 300032212132132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 231231212230003 - 2²⁵ = 231231178675571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231231212230003.

It is not an unprimeable number, because it can be changed into a prime (231231212230703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1925251 + ... + 21590947.

It is an arithmetic number, because the mean of its divisors is an integer number (57807810913450).

Almost surely, 2^{231231212230003} is an apocalyptic number.

231231212230003 is a deficient number, since it is larger than the sum of its proper divisors (31423797).

231231212230003 is a wasteful number, since it uses less digits than its factorization.

231231212230003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31423796.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231231212230003 its reverse (300032212132132), we get a palindrome (531263424362135).

The spelling of 231231212230003 in words is "two hundred thirty-one trillion, two hundred thirty-one billion, two hundred twelve million, two hundred thirty thousand, three".