231331131103 has 2 divisors, whose sum is σ = 231331131104. Its totient is φ = 231331131102.

The previous prime is 231331131077. The next prime is 231331131127. The reversal of 231331131103 is 301131133132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231331131103 - 2⁵ = 231331131071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231331131133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115665565551 + 115665565552.

It is an arithmetic number, because the mean of its divisors is an integer number (115665565552).

Almost surely, 2^231331131103 is an apocalyptic number.

231331131103 is a deficient number, since it is larger than the sum of its proper divisors (1).

231331131103 is an equidigital number, since it uses as much as digits as its factorization.

231331131103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 231331131103 its reverse (301131133132), we get a palindrome (532462264235).

The spelling of 231331131103 in words is "two hundred thirty-one billion, three hundred thirty-one million, one hundred thirty-one thousand, one hundred three".