7303998313 has 4 divisors (see below), whose sum is σ = 7304309460. Its totient is φ = 7303687168.

The previous prime is 7303998311. The next prime is 7303998349. The reversal of 7303998313 is 3138993037.

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 1456796224 + 5847202089 = 38168^2 + 76467^2 .

It is a cyclic number.

It is not a de Polignac number, because 7303998313 - 2¹ = 7303998311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7303998311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117208 + ... + 168361.

It is an arithmetic number, because the mean of its divisors is an integer number (1826077365).

Almost surely, 2^7303998313 is an apocalyptic number.

It is an amenable number.

7303998313 is a deficient number, since it is larger than the sum of its proper divisors (311147).

7303998313 is a wasteful number, since it uses less digits than its factorization.

7303998313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311146.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 7303998313 is about 85463.4326071683. The cubic root of 7303998313 is about 1940.2315160164.

The spelling of 7303998313 in words is "seven billion, three hundred three million, nine hundred ninety-eight thousand, three hundred thirteen".