693238313 has 4 divisors (see below), whose sum is σ = 729724560. Its totient is φ = 656752068.

The previous prime is 693238309. The next prime is 693238333. The reversal of 693238313 is 313832396.

693238313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 693238313 - 2² = 693238309 is a prime.

It is a super-2 number, since 2×693238313² = 961158717222171938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (693238333) 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, 18243095 + ... + 18243132.

It is an arithmetic number, because the mean of its divisors is an integer number (182431140).

Almost surely, 2^693238313 is an apocalyptic number.

It is an amenable number.

693238313 is a deficient number, since it is larger than the sum of its proper divisors (36486247).

693238313 is a wasteful number, since it uses less digits than its factorization.

693238313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36486246.

The product of its digits is 69984, while the sum is 38.

The square root of 693238313 is about 26329.4191542465. The cubic root of 693238313 is about 885.0358281855.

It can be divided in two parts, 6932383 and 13, that added together give a palindrome (6932396).

The spelling of 693238313 in words is "six hundred ninety-three million, two hundred thirty-eight thousand, three hundred thirteen".