Search a number
-
+
13113440131 = 112239532439
BaseRepresentation
bin11000011011001111…
…10011011110000011
31020211220020210001211
430031213303132003
5203324020041011
610005122310551
7642651254611
oct141547633603
936756223054
1013113440131
11561a216730
12265b7b8457
13130ca3cb3c
148c58586b1
1551b3adb21
hex30d9f3783

13113440131 has 8 divisors (see below), whose sum is σ = 14311987200. Its totient is φ = 11915962440.

The previous prime is 13113440113. The next prime is 13113440143. The reversal of 13113440131 is 13104431131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13113440131 - 25 = 13113440099 is a prime.

It is a super-2 number, since 2×131134401312 (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 (13113449131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241591 + ... + 290848.

It is an arithmetic number, because the mean of its divisors is an integer number (1788998400).

Almost surely, 213113440131 is an apocalyptic number.

13113440131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13113440131 is a deficient number, since it is larger than the sum of its proper divisors (1198547069).

13113440131 is a wasteful number, since it uses less digits than its factorization.

13113440131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534689.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13113440131 its reverse (13104431131), we get a palindrome (26217871262).

The spelling of 13113440131 in words is "thirteen billion, one hundred thirteen million, four hundred forty thousand, one hundred thirty-one".

Divisors: 1 11 2239 24629 532439 5856829 1192130921 13113440131