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13321231131413 = 13577719811103
BaseRepresentation
bin1100000111011001011100…
…1111111110001100010101
31202011111102111112210002002
43001312113033332030111
53221223340132201123
644155404502325045
72543266345226252
oct301662717761425
952144374483062
1013321231131413
114276558765297
1215b18b1429785
1375825726607a
14340a72b64429
151817b0beb528
hexc1d973fe315

13321231131413 has 4 divisors (see below), whose sum is σ = 13321242300288. Its totient is φ = 13321219962540.

The previous prime is 13321231131407. The next prime is 13321231131427. The reversal of 13321231131413 is 31413113212331.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13321231131413 - 226 = 13321164022549 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 (13321231131613) 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, 3547781 + ... + 6263322.

It is an arithmetic number, because the mean of its divisors is an integer number (3330310575072).

Almost surely, 213321231131413 is an apocalyptic number.

It is an amenable number.

13321231131413 is a deficient number, since it is larger than the sum of its proper divisors (11168875).

13321231131413 is an equidigital number, since it uses as much as digits as its factorization.

13321231131413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11168874.

The product of its digits is 3888, while the sum is 29.

Adding to 13321231131413 its reverse (31413113212331), we get a palindrome (44734344343744).

The spelling of 13321231131413 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirty-one million, one hundred thirty-one thousand, four hundred thirteen".

Divisors: 1 1357771 9811103 13321231131413