20321110313113 has 8 divisors (see below), whose sum is σ = 20521060655040. Its totient is φ = 20122137724080.

The previous prime is 20321110313071. The next prime is 20321110313143. The reversal of 20321110313113 is 31131301112302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20321110313113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20321110313143) 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, 244396453 + ... + 244479586.

It is an arithmetic number, because the mean of its divisors is an integer number (2565132581880).

Almost surely, 2^{20321110313113} is an apocalyptic number.

It is an amenable number.

20321110313113 is a deficient number, since it is larger than the sum of its proper divisors (199950341927).

20321110313113 is a wasteful number, since it uses less digits than its factorization.

20321110313113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488876447.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 20321110313113 its reverse (31131301112302), we get a palindrome (51452411425415).

The spelling of 20321110313113 in words is "twenty trillion, three hundred twenty-one billion, one hundred ten million, three hundred thirteen thousand, one hundred thirteen".