3145311 has 40 divisors (see below), whose sum is σ = 5285280. Its totient is φ = 1850688.

The previous prime is 3145297. The next prime is 3145327. The reversal of 3145311 is 1135413.

It is not a de Polignac number, because 3145311 - 2⁷ = 3145183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145361) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30486 + ... + 30588.

It is an arithmetic number, because the mean of its divisors is an integer number (132132).

Almost surely, 2^3145311 is an apocalyptic number.

3145311 is a deficient number, since it is larger than the sum of its proper divisors (2139969).

3145311 is a wasteful number, since it uses less digits than its factorization.

3145311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 148 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 3145311 is about 1773.5024668717. The cubic root of 3145311 is about 146.5169483434.

It can be divided in two parts, 314 and 5311, that added together give a square (5625 = 75²).

The spelling of 3145311 in words is "three million, one hundred forty-five thousand, three hundred eleven".