221201230313 has 8 divisors (see below), whose sum is σ = 253349785920. Its totient is φ = 189189769680.

The previous prime is 221201230303. The next prime is 221201230333. The reversal of 221201230313 is 313032102122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221201230313 - 2⁶ = 221201230249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221201230303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34270283 + ... + 34276736.

It is an arithmetic number, because the mean of its divisors is an integer number (31668723240).

Almost surely, 2^221201230313 is an apocalyptic number.

It is an amenable number.

221201230313 is a deficient number, since it is larger than the sum of its proper divisors (32148555607).

221201230313 is an equidigital number, since it uses as much as digits as its factorization.

221201230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68547487.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 221201230313 its reverse (313032102122), we get a palindrome (534233332435).

The spelling of 221201230313 in words is "two hundred twenty-one billion, two hundred one million, two hundred thirty thousand, three hundred thirteen".