13364320020031 has 4 divisors (see below), whose sum is σ = 13364353318032. Its totient is φ = 13364286722032.

The previous prime is 13364320020013. The next prime is 13364320020041. The reversal of 13364320020031 is 13002002346331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13364320020031 is a prime.

It is a super-2 number, since 2×13364320020031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13364320020001) 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, 16039531 + ... + 16852156.

It is an arithmetic number, because the mean of its divisors is an integer number (3341088329508).

Almost surely, 2^{13364320020031} is an apocalyptic number.

13364320020031 is a deficient number, since it is larger than the sum of its proper divisors (33298001).

13364320020031 is an equidigital number, since it uses as much as digits as its factorization.

13364320020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33298000.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13364320020031 its reverse (13002002346331), we get a palindrome (26366322366362).

The spelling of 13364320020031 in words is "thirteen trillion, three hundred sixty-four billion, three hundred twenty million, twenty thousand, thirty-one".