231213330203 has 2 divisors, whose sum is σ = 231213330204. Its totient is φ = 231213330202.

The previous prime is 231213330107. The next prime is 231213330211. The reversal of 231213330203 is 302033312132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231213330203 - 2³⁰ = 230139588379 is a prime.

It is not a weakly prime, because it can be changed into another prime (231213300203) 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 as a sum of consecutive naturals, namely, 115606665101 + 115606665102.

It is an arithmetic number, because the mean of its divisors is an integer number (115606665102).

Almost surely, 2^231213330203 is an apocalyptic number.

231213330203 is a deficient number, since it is larger than the sum of its proper divisors (1).

231213330203 is an equidigital number, since it uses as much as digits as its factorization.

231213330203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 231213330203 its reverse (302033312132), we get a palindrome (533246642335).

The spelling of 231213330203 in words is "two hundred thirty-one billion, two hundred thirteen million, three hundred thirty thousand, two hundred three".