31103323331023 has 2 divisors, whose sum is σ = 31103323331024. Its totient is φ = 31103323331022.

The previous prime is 31103323330991. The next prime is 31103323331027. The reversal of 31103323331023 is 32013332330113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31103323331023 - 2⁵ = 31103323330991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31103323330982 and 31103323331000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31103323331027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551661665511 + 15551661665512.

It is an arithmetic number, because the mean of its divisors is an integer number (15551661665512).

Almost surely, 2^{31103323331023} is an apocalyptic number.

31103323331023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103323331023 is an equidigital number, since it uses as much as digits as its factorization.

31103323331023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 31103323331023 its reverse (32013332330113), we get a palindrome (63116655661136).

The spelling of 31103323331023 in words is "thirty-one trillion, one hundred three billion, three hundred twenty-three million, three hundred thirty-one thousand, twenty-three".