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13114404431 = 2337130311827
BaseRepresentation
bin11000011011010110…
…11110111001001111
31020211222001202211122
430031223132321033
5203324241420211
610005155111155
7642662412152
oct141553367117
936758052748
1013114404431
11561a815177
12265bba24bb
13130ccb9a2b
148c5a29c99
1551b4ee6db
hex30dadee4f

13114404431 has 16 divisors (see below), whose sum is σ = 14066425344. Its totient is φ = 12194781984.

The previous prime is 13114404421. The next prime is 13114404439. The reversal of 13114404431 is 13440441131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13114404431 is a prime.

It is a super-2 number, since 2×131144044312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13114404431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13114404439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102940 + ... + 1114766.

It is an arithmetic number, because the mean of its divisors is an integer number (879151584).

Almost surely, 213114404431 is an apocalyptic number.

13114404431 is a deficient number, since it is larger than the sum of its proper divisors (952020913).

13114404431 is a wasteful number, since it uses less digits than its factorization.

13114404431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13190.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 13114404431 its reverse (13440441131), we get a palindrome (26554845562).

The spelling of 13114404431 in words is "thirteen billion, one hundred fourteen million, four hundred four thousand, four hundred thirty-one".

Divisors: 1 23 37 851 1303 11827 29969 48211 272021 437599 1108853 10064777 15410581 354443363 570191497 13114404431