3343331581 has 4 divisors (see below), whose sum is σ = 3433691932. Its totient is φ = 3252971232.

The previous prime is 3343331533. The next prime is 3343331597. The reversal of 3343331581 is 1851333433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1851333433 = 103 ⋅17974111.

It can be written as a sum of positive squares in 2 ways, for example, as 2236438681 + 1106892900 = 47291^2 + 33270^2 .

It is a cyclic number.

It is not a de Polignac number, because 3343331581 - 2²³ = 3334942973 is a prime.

It is a super-2 number, since 2×3343331581² = 22355732121023919122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3343331521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45180120 + ... + 45180193.

It is an arithmetic number, because the mean of its divisors is an integer number (858422983).

Almost surely, 2^3343331581 is an apocalyptic number.

It is an amenable number.

3343331581 is a deficient number, since it is larger than the sum of its proper divisors (90360351).

3343331581 is an equidigital number, since it uses as much as digits as its factorization.

3343331581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90360350.

The product of its digits is 38880, while the sum is 34.

The square root of 3343331581 is about 57821.5494517399. The cubic root of 3343331581 is about 1495.2936312094.

The spelling of 3343331581 in words is "three billion, three hundred forty-three million, three hundred thirty-one thousand, five hundred eighty-one".