803238313 has 4 divisors (see below), whose sum is σ = 803305360. Its totient is φ = 803171268.

The previous prime is 803238283. The next prime is 803238341. The reversal of 803238313 is 313832308.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 803238313 - 2⁹ = 803237801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (803238353) 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, 10095 + ... + 41332.

It is an arithmetic number, because the mean of its divisors is an integer number (200826340).

Almost surely, 2^803238313 is an apocalyptic number.

It is an amenable number.

803238313 is a deficient number, since it is larger than the sum of its proper divisors (67047).

803238313 is a wasteful number, since it uses less digits than its factorization.

803238313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67046.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 803238313 is about 28341.4592602428. The cubic root of 803238313 is about 929.5686568704.

The spelling of 803238313 in words is "eight hundred three million, two hundred thirty-eight thousand, three hundred thirteen".