31133010023 has 2 divisors, whose sum is σ = 31133010024. Its totient is φ = 31133010022.

The previous prime is 31133010017. The next prime is 31133010031. The reversal of 31133010023 is 32001033113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31133010023 - 2⁸ = 31133009767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31133009983 and 31133010010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31133010053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15566505011 + 15566505012.

It is an arithmetic number, because the mean of its divisors is an integer number (15566505012).

Almost surely, 2^31133010023 is an apocalyptic number.

31133010023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31133010023 is an equidigital number, since it uses as much as digits as its factorization.

31133010023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31133010023 its reverse (32001033113), we get a palindrome (63134043136).

The spelling of 31133010023 in words is "thirty-one billion, one hundred thirty-three million, ten thousand, twenty-three".