33031421023 has 2 divisors, whose sum is σ = 33031421024. Its totient is φ = 33031421022.

The previous prime is 33031421011. The next prime is 33031421117. The reversal of 33031421023 is 32012413033.

It is a weak prime.

It is an emirp because it is prime and its reverse (32012413033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33031421023 - 2⁵ = 33031420991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33031420985 and 33031421003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33031421323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16515710511 + 16515710512.

It is an arithmetic number, because the mean of its divisors is an integer number (16515710512).

Almost surely, 2^33031421023 is an apocalyptic number.

33031421023 is a deficient number, since it is larger than the sum of its proper divisors (1).

33031421023 is an equidigital number, since it uses as much as digits as its factorization.

33031421023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 33031421023 its reverse (32012413033), we get a palindrome (65043834056).

The spelling of 33031421023 in words is "thirty-three billion, thirty-one million, four hundred twenty-one thousand, twenty-three".