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13301121331 = 61723215497
BaseRepresentation
bin11000110001100111…
…10000000100110011
31021022222101222021101
430120303300010303
5204220041340311
610035505105231
7650420444251
oct143063600463
937288358241
1013301121331
115706155363
1226b2628217
13133c8a2cc4
149027515d1
1552cad2ec1
hex318cf0133

13301121331 has 4 divisors (see below), whose sum is σ = 13301398552. Its totient is φ = 13300844112.

The previous prime is 13301121277. The next prime is 13301121341. The reversal of 13301121331 is 13312110331.

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 13301121331 - 211 = 13301119283 is a prime.

It is a super-2 number, since 2×133011213312 (a number of 21 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 = 13301121299 and 13301121308.

It is not an unprimeable number, because it can be changed into a prime (13301121341) 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, 46026 + ... + 169471.

It is an arithmetic number, because the mean of its divisors is an integer number (3325349638).

Almost surely, 213301121331 is an apocalyptic number.

13301121331 is a deficient number, since it is larger than the sum of its proper divisors (277221).

13301121331 is an equidigital number, since it uses as much as digits as its factorization.

13301121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277220.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13301121331 its reverse (13312110331), we get a palindrome (26613231662).

The spelling of 13301121331 in words is "thirteen billion, three hundred one million, one hundred twenty-one thousand, three hundred thirty-one".

Divisors: 1 61723 215497 13301121331