231331003223 has 2 divisors, whose sum is σ = 231331003224. Its totient is φ = 231331003222.

The previous prime is 231331003201. The next prime is 231331003229. The reversal of 231331003223 is 322300133132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231331003223 - 2²² = 231326808919 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231331003229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115665501611 + 115665501612.

It is an arithmetic number, because the mean of its divisors is an integer number (115665501612).

Almost surely, 2^231331003223 is an apocalyptic number.

231331003223 is a deficient number, since it is larger than the sum of its proper divisors (1).

231331003223 is an equidigital number, since it uses as much as digits as its factorization.

231331003223 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 231331003223 its reverse (322300133132), we get a palindrome (553631136355).

The spelling of 231331003223 in words is "two hundred thirty-one billion, three hundred thirty-one million, three thousand, two hundred twenty-three".