Search a number
-
+
13321131021301 = 64372320693887
BaseRepresentation
bin1100000111011001000101…
…0010000101001111110101
31202011111011112011122211011
43001312101102011033311
53221223134020140201
644155350524512221
72543264021265115
oct301662122051765
952144145148734
1013321131021301
1142765071a9064
1215b18839ab671
1375823c5b440c
14340a63745045
151817a7024151
hexc1d914853f5

13321131021301 has 4 divisors (see below), whose sum is σ = 13321152358912. Its totient is φ = 13321109683692.

The previous prime is 13321131021299. The next prime is 13321131021383. The reversal of 13321131021301 is 10312013112331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13321131021301 - 21 = 13321131021299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321131021901) 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, 9703221 + ... + 10990666.

It is an arithmetic number, because the mean of its divisors is an integer number (3330288089728).

Almost surely, 213321131021301 is an apocalyptic number.

It is an amenable number.

13321131021301 is a deficient number, since it is larger than the sum of its proper divisors (21337611).

13321131021301 is an equidigital number, since it uses as much as digits as its factorization.

13321131021301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21337610.

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

Adding to 13321131021301 its reverse (10312013112331), we get a palindrome (23633144133632).

The spelling of 13321131021301 in words is "thirteen trillion, three hundred twenty-one billion, one hundred thirty-one million, twenty-one thousand, three hundred one".

Divisors: 1 643723 20693887 13321131021301