3130320 has 40 divisors (see below), whose sum is σ = 9704736. Its totient is φ = 834688.

The previous prime is 3130297. The next prime is 3130327. The reversal of 3130320 is 230313.

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 (12).

It is a junction number, because it is equal to n+sod(n) for n = 3130296 and 3130305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130327) 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, 6282 + ... + 6761.

Almost surely, 2^3130320 is an apocalyptic number.

3130320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3130320 is an abundant number, since it is smaller than the sum of its proper divisors (6574416).

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

3130320 is a wasteful number, since it uses less digits than its factorization.

3130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13059 (or 13053 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 3130320 is about 1769.2710363311. The cubic root of 3130320 is about 146.2838040057.

Adding to 3130320 its reverse (230313), we get a palindrome (3360633).

The spelling of 3130320 in words is "three million, one hundred thirty thousand, three hundred twenty".