7313130 has 96 divisors (see below), whose sum is σ = 21228480. Its totient is φ = 1731840.

The previous prime is 7313123. The next prime is 7313143. The reversal of 7313130 is 313137.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82126 + ... + 82214.

It is an arithmetic number, because the mean of its divisors is an integer number (221130).

Almost surely, 2^7313130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7313130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10614240).

7313130 is an abundant number, since it is smaller than the sum of its proper divisors (13915350).

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

7313130 is a wasteful number, since it uses less digits than its factorization.

7313130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 7313130 is about 2704.2799411304. The cubic root of 7313130 is about 194.1039758643.

Adding to 7313130 its reverse (313137), we get a palindrome (7626267).

It can be divided in two parts, 73 and 13130, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 7313130 in words is "seven million, three hundred thirteen thousand, one hundred thirty".