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13310230013 = 66611998233
BaseRepresentation
bin11000110010101100…
…11111110111111101
31021100121112202000222
430121112133313331
5204224404330023
610040432231125
7650561042213
oct143126376775
937317482028
1013310230013
1157103068a3
1226b569b4a5
131341741c62
14903a42cb3
1552d7d1cc8
hex31959fdfd

13310230013 has 4 divisors (see below), whose sum is σ = 13312234908. Its totient is φ = 13308225120.

The previous prime is 13310229997. The next prime is 13310230051. The reversal of 13310230013 is 31003201331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31003201331 = 124924822419.

It can be written as a sum of positive squares in 2 ways, for example, as 12928144804 + 382085209 = 113702^2 + 19547^2 .

It is a cyclic number.

It is not a de Polignac number, because 13310230013 - 24 = 13310229997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13310229973 and 13310230000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13310239013) 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, 992456 + ... + 1005777.

It is an arithmetic number, because the mean of its divisors is an integer number (3328058727).

Almost surely, 213310230013 is an apocalyptic number.

It is an amenable number.

13310230013 is a deficient number, since it is larger than the sum of its proper divisors (2004895).

13310230013 is an equidigital number, since it uses as much as digits as its factorization.

13310230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004894.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 13310230013 its reverse (31003201331), we get a palindrome (44313431344).

The spelling of 13310230013 in words is "thirteen billion, three hundred ten million, two hundred thirty thousand, thirteen".

Divisors: 1 6661 1998233 13310230013