231123331303 has 2 divisors, whose sum is σ = 231123331304. Its totient is φ = 231123331302.

The previous prime is 231123331301. The next prime is 231123331337. The reversal of 231123331303 is 303133321132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231123331303 - 2¹ = 231123331301 is a prime.

Together with 231123331301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231123331301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115561665651 + 115561665652.

It is an arithmetic number, because the mean of its divisors is an integer number (115561665652).

Almost surely, 2^231123331303 is an apocalyptic number.

231123331303 is a deficient number, since it is larger than the sum of its proper divisors (1).

231123331303 is an equidigital number, since it uses as much as digits as its factorization.

231123331303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 231123331303 its reverse (303133321132), we get a palindrome (534256652435).

The spelling of 231123331303 in words is "two hundred thirty-one billion, one hundred twenty-three million, three hundred thirty-one thousand, three hundred three".