7030313321 has 4 divisors (see below), whose sum is σ = 7035405444. Its totient is φ = 7025221200.

The previous prime is 7030313273. The next prime is 7030313351. The reversal of 7030313321 is 1233130307.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5349313321 + 1681000000 = 73139^2 + 41000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7030313321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7030313351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543990 + ... + 2546751.

It is an arithmetic number, because the mean of its divisors is an integer number (1758851361).

Almost surely, 2^7030313321 is an apocalyptic number.

It is an amenable number.

7030313321 is a deficient number, since it is larger than the sum of its proper divisors (5092123).

7030313321 is a wasteful number, since it uses less digits than its factorization.

7030313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092122.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 7030313321 is about 83846.9636957714. The cubic root of 7030313321 is about 1915.6885062782.

Adding to 7030313321 its reverse (1233130307), we get a palindrome (8263443628).

The spelling of 7030313321 in words is "seven billion, thirty million, three hundred thirteen thousand, three hundred twenty-one".