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13430114231 = 20173665747
BaseRepresentation
bin11001000000111111…
…10100011110110111
31021122222010111021012
430200133310132313
5210001102123411
610100353542435
7653545041662
oct144037643667
937588114235
1013430114231
115771a49666
122729874a1b
131360528271
1491592c6d9
155390b318b
hex3207f47b7

13430114231 has 4 divisors (see below), whose sum is σ = 13430800152. Its totient is φ = 13429428312.

The previous prime is 13430114197. The next prime is 13430114233. The reversal of 13430114231 is 13241103431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13241103431 = 19767213723.

It is a cyclic number.

It is not a de Polignac number, because 13430114231 - 214 = 13430097847 is a prime.

It is a super-2 number, since 2×134301142312 (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 = 13430114197 and 13430114206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430114233) 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, 312701 + ... + 353046.

It is an arithmetic number, because the mean of its divisors is an integer number (3357700038).

Almost surely, 213430114231 is an apocalyptic number.

13430114231 is a deficient number, since it is larger than the sum of its proper divisors (685921).

13430114231 is an equidigital number, since it uses as much as digits as its factorization.

13430114231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685920.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13430114231 its reverse (13241103431), we get a palindrome (26671217662).

The spelling of 13430114231 in words is "thirteen billion, four hundred thirty million, one hundred fourteen thousand, two hundred thirty-one".

Divisors: 1 20173 665747 13430114231