3311881 has 2 divisors, whose sum is σ = 3311882. Its totient is φ = 3311880.

The previous prime is 3311851. The next prime is 3311897. The reversal of 3311881 is 1881133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2190400 + 1121481 = 1480^2 + 1059^2 .

It is a cyclic number.

It is not a de Polignac number, because 3311881 - 2⁵ = 3311849 is a prime.

It is a super-2 number, since 2×3311881² = 21937111516322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3311831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655940 + 1655941.

It is an arithmetic number, because the mean of its divisors is an integer number (1655941).

Almost surely, 2^3311881 is an apocalyptic number.

It is an amenable number.

3311881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3311881 is an equidigital number, since it uses as much as digits as its factorization.

3311881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 25.

The square root of 3311881 is about 1819.8574119969. The cubic root of 3311881 is about 149.0590130039.

The spelling of 3311881 in words is "three million, three hundred eleven thousand, eight hundred eighty-one".