201223313001 has 12 divisors (see below), whose sum is σ = 290804899840. Its totient is φ = 134080104600.

The previous prime is 201223312967. The next prime is 201223313029. The reversal of 201223313001 is 100313322102.

201223313001 is a `hidden beast` number, since 20 + 12 + 2 + 331 + 300 + 1 = 666.

It is not a de Polignac number, because 201223313001 - 2⁹ = 201223312489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201223313801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5712361 + ... + 5747478.

Almost surely, 2^201223313001 is an apocalyptic number.

It is an amenable number.

201223313001 is a deficient number, since it is larger than the sum of its proper divisors (89581586839).

201223313001 is a wasteful number, since it uses less digits than its factorization.

201223313001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11461796 (or 11461793 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201223313001 its reverse (100313322102), we get a palindrome (301536635103).

The spelling of 201223313001 in words is "two hundred one billion, two hundred twenty-three million, three hundred thirteen thousand, one".