3331331 has 2 divisors, whose sum is σ = 3331332. Its totient is φ = 3331330.

The previous prime is 3331319. The next prime is 3331333. The reversal of 3331331 is 1331333.

It is a strong prime.

It is an emirp because it is prime and its reverse (1331333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3331331 - 2⁶ = 3331267 is a prime.

It is a super-2 number, since 2×3331331² = 22195532463122, which contains 22 as substring.

Together with 3331333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3331333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665665 + 1665666.

It is an arithmetic number, because the mean of its divisors is an integer number (1665666).

Almost surely, 2^3331331 is an apocalyptic number.

3331331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331331 is an equidigital number, since it uses as much as digits as its factorization.

3331331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243, while the sum is 17.

The square root of 3331331 is about 1825.1934144085. The cubic root of 3331331 is about 149.3502413404.

Adding to 3331331 its reverse (1331333), we get a palindrome (4662664).

The spelling of 3331331 in words is "three million, three hundred thirty-one thousand, three hundred thirty-one".