3113280 has 168 divisors, whose sum is σ = 11411712. Its totient is φ = 777216.

The previous prime is 3113269. The next prime is 3113281. The reversal of 3113280 is 823113.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66217 + ... + 66263.

Almost surely, 2^3113280 is an apocalyptic number.

3113280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5705856).

3113280 is an abundant number, since it is smaller than the sum of its proper divisors (8298432).

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

3113280 is a wasteful number, since it uses less digits than its factorization.

3113280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 3113280 is about 1764.4489224684. The cubic root of 3113280 is about 146.0178873437.

Adding to 3113280 its reverse (823113), we get a palindrome (3936393).

The spelling of 3113280 in words is "three million, one hundred thirteen thousand, two hundred eighty".