3113520 has 40 divisors (see below), whose sum is σ = 9652656. Its totient is φ = 830208.

The previous prime is 3113497. The next prime is 3113521. The reversal of 3113520 is 253113.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3113520.

It is not an unprimeable number, because it can be changed into a prime (3113521) 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, 6247 + ... + 6726.

Almost surely, 2^3113520 is an apocalyptic number.

3113520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3113520 is an abundant number, since it is smaller than the sum of its proper divisors (6539136).

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

3113520 is a wasteful number, since it uses less digits than its factorization.

3113520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12989 (or 12983 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 3113520 is about 1764.5169310607. The cubic root of 3113520 is about 146.0216393772.

Adding to 3113520 its reverse (253113), we get a palindrome (3366633).

The spelling of 3113520 in words is "three million, one hundred thirteen thousand, five hundred twenty".