13001202220231 has 4 divisors (see below), whose sum is σ = 13449519538200. Its totient is φ = 12552884902264.

The previous prime is 13001202220189. The next prime is 13001202220243. The reversal of 13001202220231 is 13202220210031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13001202220231 - 2⁷ = 13001202220103 is a prime.

It is a super-2 number, since 2×13001202220231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13001202220199 and 13001202220208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001202220271) 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, 224158658941 + ... + 224158658998.

It is an arithmetic number, because the mean of its divisors is an integer number (3362379884550).

Almost surely, 2^{13001202220231} is an apocalyptic number.

13001202220231 is a deficient number, since it is larger than the sum of its proper divisors (448317317969).

13001202220231 is an equidigital number, since it uses as much as digits as its factorization.

13001202220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448317317968.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13001202220231 its reverse (13202220210031), we get a palindrome (26203422430262).

The spelling of 13001202220231 in words is "thirteen trillion, one billion, two hundred two million, two hundred twenty thousand, two hundred thirty-one".