3913331 has 2 divisors, whose sum is σ = 3913332. Its totient is φ = 3913330.

The previous prime is 3913319. The next prime is 3913369. The reversal of 3913331 is 1333193.

It is a weak prime.

It is an emirp because it is prime and its reverse (1333193) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3913331 - 2¹⁴ = 3896947 is a prime.

It is a super-2 number, since 2×3913331² = 30628319031122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3913297 and 3913306.

It is not a weakly prime, because it can be changed into another prime (3913391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1956665 + 1956666.

It is an arithmetic number, because the mean of its divisors is an integer number (1956666).

Almost surely, 2^3913331 is an apocalyptic number.

3913331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3913331 is an equidigital number, since it uses as much as digits as its factorization.

3913331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 729, while the sum is 23.

The square root of 3913331 is about 1978.2140935703. The cubic root of 3913331 is about 157.5852364699.

The spelling of 3913331 in words is "three million, nine hundred thirteen thousand, three hundred thirty-one".