331833133 has 2 divisors, whose sum is σ = 331833134. Its totient is φ = 331833132.

The previous prime is 331833091. The next prime is 331833191. The reversal of 331833133 is 331338133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323892009 + 7941124 = 17997^2 + 2818^2 .

It is a cyclic number.

It is not a de Polignac number, because 331833133 - 2¹⁷ = 331702061 is a prime.

It is a super-2 number, since 2×331833133² = 220226456313191378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331833433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165916566 + 165916567.

It is an arithmetic number, because the mean of its divisors is an integer number (165916567).

Almost surely, 2^331833133 is an apocalyptic number.

It is an amenable number.

331833133 is a deficient number, since it is larger than the sum of its proper divisors (1).

331833133 is an equidigital number, since it uses as much as digits as its factorization.

331833133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 28.

The square root of 331833133 is about 18216.2875745856. The cubic root of 331833133 is about 692.3195291427.

The spelling of 331833133 in words is "three hundred thirty-one million, eight hundred thirty-three thousand, one hundred thirty-three".