33133012331 has 2 divisors, whose sum is σ = 33133012332. Its totient is φ = 33133012330.

The previous prime is 33133012321. The next prime is 33133012333. The reversal of 33133012331 is 13321033133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33133012331 - 2¹⁴ = 33132995947 is a prime.

It is a super-2 number, since 2×33133012331² (a number of 22 digits) contains 22 as substring.

Together with 33133012333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 33133012297 and 33133012306.

It is not a weakly prime, because it can be changed into another prime (33133012333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16566506165 + 16566506166.

It is an arithmetic number, because the mean of its divisors is an integer number (16566506166).

Almost surely, 2^33133012331 is an apocalyptic number.

33133012331 is a deficient number, since it is larger than the sum of its proper divisors (1).

33133012331 is an equidigital number, since it uses as much as digits as its factorization.

33133012331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 33133012331 its reverse (13321033133), we get a palindrome (46454045464).

The spelling of 33133012331 in words is "thirty-three billion, one hundred thirty-three million, twelve thousand, three hundred thirty-one".