231200313 has 4 divisors (see below), whose sum is σ = 308267088. Its totient is φ = 154133540.

The previous prime is 231200287. The next prime is 231200327. The reversal of 231200313 is 313002132.

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 a de Polignac number, because none of the positive numbers 2^k-231200313 is a prime.

It is a super-3 number, since 3×231200313³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231200292 and 231200301.

It is not an unprimeable number, because it can be changed into a prime (231200513) 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, 38533383 + ... + 38533388.

It is an arithmetic number, because the mean of its divisors is an integer number (77066772).

Almost surely, 2^231200313 is an apocalyptic number.

It is an amenable number.

231200313 is a deficient number, since it is larger than the sum of its proper divisors (77066775).

231200313 is an equidigital number, since it uses as much as digits as its factorization.

231200313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77066774.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 231200313 is about 15205.2725394845. The cubic root of 231200313 is about 613.7565490015.

Adding to 231200313 its reverse (313002132), we get a palindrome (544202445).

The spelling of 231200313 in words is "two hundred thirty-one million, two hundred thousand, three hundred thirteen".