231203331103 has 2 divisors, whose sum is σ = 231203331104. Its totient is φ = 231203331102.

The previous prime is 231203331071. The next prime is 231203331113. The reversal of 231203331103 is 301133302132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231203331103 - 2⁵ = 231203331071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231203331113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115601665551 + 115601665552.

It is an arithmetic number, because the mean of its divisors is an integer number (115601665552).

Almost surely, 2^231203331103 is an apocalyptic number.

231203331103 is a deficient number, since it is larger than the sum of its proper divisors (1).

231203331103 is an equidigital number, since it uses as much as digits as its factorization.

231203331103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 231203331103 its reverse (301133302132), we get a palindrome (532336633235).

The spelling of 231203331103 in words is "two hundred thirty-one billion, two hundred three million, three hundred thirty-one thousand, one hundred three".