3345531181 has 2 divisors, whose sum is σ = 3345531182. Its totient is φ = 3345531180.

The previous prime is 3345531169. The next prime is 3345531197. The reversal of 3345531181 is 1811355433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2801055625 + 544475556 = 52925^2 + 23334^2 .

It is a cyclic number.

It is not a de Polignac number, because 3345531181 - 2⁵ = 3345531149 is a prime.

It is a super-2 number, since 2×3345531181² = 22385157766086509522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3345531131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672765590 + 1672765591.

It is an arithmetic number, because the mean of its divisors is an integer number (1672765591).

Almost surely, 2^3345531181 is an apocalyptic number.

It is an amenable number.

3345531181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345531181 is an equidigital number, since it uses as much as digits as its factorization.

3345531181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 3345531181 is about 57840.5669145799. The cubic root of 3345531181 is about 1495.6214805177.

The spelling of 3345531181 in words is "three billion, three hundred forty-five million, five hundred thirty-one thousand, one hundred eighty-one".