3149311 has 4 divisors (see below), whose sum is σ = 3435624. Its totient is φ = 2863000.

The previous prime is 3149309. The next prime is 3149339. The reversal of 3149311 is 1139413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1139413 = 11 ⋅103583.

It is a cyclic number.

It is not a de Polignac number, because 3149311 - 2¹ = 3149309 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143140 + ... + 143161.

It is an arithmetic number, because the mean of its divisors is an integer number (858906).

Almost surely, 2^3149311 is an apocalyptic number.

3149311 is a deficient number, since it is larger than the sum of its proper divisors (286313).

3149311 is a wasteful number, since it uses less digits than its factorization.

3149311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286312.

The product of its digits is 324, while the sum is 22.

The square root of 3149311 is about 1774.6298205541. The cubic root of 3149311 is about 146.5790322442.

The spelling of 3149311 in words is "three million, one hundred forty-nine thousand, three hundred eleven".