33231330973 has 2 divisors, whose sum is σ = 33231330974. Its totient is φ = 33231330972.

The previous prime is 33231330967. The next prime is 33231331013. The reversal of 33231330973 is 37903313233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30645303364 + 2586027609 = 175058^2 + 50853^2 .

It is a cyclic number.

It is not a de Polignac number, because 33231330973 - 2²⁵ = 33197776541 is a prime.

It is a super-2 number, since 2×33231330973² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33231330673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16615665486 + 16615665487.

It is an arithmetic number, because the mean of its divisors is an integer number (16615665487).

Almost surely, 2^33231330973 is an apocalyptic number.

It is an amenable number.

33231330973 is a deficient number, since it is larger than the sum of its proper divisors (1).

33231330973 is an equidigital number, since it uses as much as digits as its factorization.

33231330973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 37.

The spelling of 33231330973 in words is "thirty-three billion, two hundred thirty-one million, three hundred thirty thousand, nine hundred seventy-three".