3130540 has 48 divisors (see below), whose sum is σ = 7660800. Its totient is φ = 1052352.

The previous prime is 3130537. The next prime is 3130541. The reversal of 3130540 is 450313.

It is not an unprimeable number, because it can be changed into a prime (3130541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8071 + ... + 8449.

It is an arithmetic number, because the mean of its divisors is an integer number (159600).

Almost surely, 2^3130540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3130540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3830400).

3130540 is an abundant number, since it is smaller than the sum of its proper divisors (4530260).

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

3130540 is a wasteful number, since it uses less digits than its factorization.

3130540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 3130540 is about 1769.3332077367. Note that the first 3 decimals coincide. The cubic root of 3130540 is about 146.2872308846.

Adding to 3130540 its reverse (450313), we get a palindrome (3580853).

The spelling of 3130540 in words is "three million, one hundred thirty thousand, five hundred forty".