3111340 has 24 divisors (see below), whose sum is σ = 6918912. Its totient is φ = 1171200.

The previous prime is 3111337. The next prime is 3111341. The reversal of 3111340 is 431113.

It is a self number, because there is not a number n which added to its sum of digits gives 3111340.

It is not an unprimeable number, because it can be changed into a prime (3111341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4236 + ... + 4915.

It is an arithmetic number, because the mean of its divisors is an integer number (288288).

Almost surely, 2^3111340 is an apocalyptic number.

It is an amenable number.

3111340 is an abundant number, since it is smaller than the sum of its proper divisors (3807572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3111340 is a wasteful number, since it uses less digits than its factorization.

3111340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9177 (or 9175 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3111340 is about 1763.8990900842. The cubic root of 3111340 is about 145.9875513249.

Adding to 3111340 its reverse (431113), we get a palindrome (3542453).

The spelling of 3111340 in words is "three million, one hundred eleven thousand, three hundred forty".