33333231073 has 2 divisors, whose sum is σ = 33333231074. Its totient is φ = 33333231072.

The previous prime is 33333231023. The next prime is 33333231119. The reversal of 33333231073 is 37013233333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17278313809 + 16054917264 = 131447^2 + 126708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33333231073 is a prime.

It is a super-2 number, since 2×33333231073² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33333231023) 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, 16666615536 + 16666615537.

It is an arithmetic number, because the mean of its divisors is an integer number (16666615537).

Almost surely, 2^33333231073 is an apocalyptic number.

It is an amenable number.

33333231073 is a deficient number, since it is larger than the sum of its proper divisors (1).

33333231073 is an equidigital number, since it uses as much as digits as its factorization.

33333231073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 31.

The spelling of 33333231073 in words is "thirty-three billion, three hundred thirty-three million, two hundred thirty-one thousand, seventy-three".