13620324640031 has 4 divisors (see below), whose sum is σ = 13988441522232. Its totient is φ = 13252207757832.

The previous prime is 13620324640009. The next prime is 13620324640063. The reversal of 13620324640031 is 13004642302631.

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 13620324640031 - 2²² = 13620320445727 is a prime.

It is a super-2 number, since 2×13620324640031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13620324639973 and 13620324640000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13620324640231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184058441045 + ... + 184058441118.

It is an arithmetic number, because the mean of its divisors is an integer number (3497110380558).

Almost surely, 2^{13620324640031} is an apocalyptic number.

13620324640031 is a deficient number, since it is larger than the sum of its proper divisors (368116882201).

13620324640031 is an equidigital number, since it uses as much as digits as its factorization.

13620324640031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368116882200.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 13620324640031 its reverse (13004642302631), we get a palindrome (26624966942662).

The spelling of 13620324640031 in words is "thirteen trillion, six hundred twenty billion, three hundred twenty-four million, six hundred forty thousand, thirty-one".