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13321101131 = 131024700087
BaseRepresentation
bin11000110011111111…
…11101111101001011
31021101101000001101222
430121333331331023
5204240200214011
610041501232255
7651052330352
oct143177757513
937341001358
1013321101131
115716461498
1226b926268b
131343a7a180
14905272999
1552e72cddb
hex319ffdf4b

13321101131 has 4 divisors (see below), whose sum is σ = 14345801232. Its totient is φ = 12296401032.

The previous prime is 13321101121. The next prime is 13321101139. The reversal of 13321101131 is 13110112331.

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 2k-13321101131 is a prime.

It is a super-2 number, since 2×133211011312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321101139) 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, 512350031 + ... + 512350056.

It is an arithmetic number, because the mean of its divisors is an integer number (3586450308).

Almost surely, 213321101131 is an apocalyptic number.

13321101131 is a deficient number, since it is larger than the sum of its proper divisors (1024700101).

13321101131 is a wasteful number, since it uses less digits than its factorization.

13321101131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024700100.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13321101131 its reverse (13110112331), we get a palindrome (26431213462).

The spelling of 13321101131 in words is "thirteen billion, three hundred twenty-one million, one hundred one thousand, one hundred thirty-one".

Divisors: 1 13 1024700087 13321101131