7321443130 has 8 divisors (see below), whose sum is σ = 13178597652. Its totient is φ = 2928577248.

The previous prime is 7321443113. The next prime is 7321443131. The reversal of 7321443130 is 313441237.

It can be written as a sum of positive squares in 2 ways, for example, as 7178664529 + 142778601 = 84727^2 + 11949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7321443131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366072147 + ... + 366072166.

Almost surely, 2^7321443130 is an apocalyptic number.

7321443130 is a deficient number, since it is larger than the sum of its proper divisors (5857154522).

7321443130 is a wasteful number, since it uses less digits than its factorization.

7321443130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732144320.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 7321443130 is about 85565.4318635744. The cubic root of 7321443130 is about 1941.7749662086.

Adding to 7321443130 its reverse (313441237), we get a palindrome (7634884367).

The spelling of 7321443130 in words is "seven billion, three hundred twenty-one million, four hundred forty-three thousand, one hundred thirty".