3133811 has 2 divisors, whose sum is σ = 3133812. Its totient is φ = 3133810.

The previous prime is 3133799. The next prime is 3133843. The reversal of 3133811 is 1183313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3133811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3133861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566905 + 1566906.

It is an arithmetic number, because the mean of its divisors is an integer number (1566906).

Almost surely, 2^3133811 is an apocalyptic number.

3133811 is a deficient number, since it is larger than the sum of its proper divisors (1).

3133811 is an equidigital number, since it uses as much as digits as its factorization.

3133811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 3133811 is about 1770.2573259275. The cubic root of 3133811 is about 146.3381634150.

The spelling of 3133811 in words is "three million, one hundred thirty-three thousand, eight hundred eleven".