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13231330134 = 2311200474699
BaseRepresentation
bin11000101001010011…
…00001001101010110
31021011010002012202020
430110221201031112
5204044210031014
610024533154010
7645612310341
oct142451411526
937133065666
1013231330134
11567a817190
12269318b906
13132b2a8539
148d7385458
155268e91a9
hex314a61356

13231330134 has 16 divisors (see below), whose sum is σ = 28868356800. Its totient is φ = 4009493960.

The previous prime is 13231330097. The next prime is 13231330139. The reversal of 13231330134 is 43103313231.

It is a happy number.

It is a super-2 number, since 2×132313301342 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231330139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100237284 + ... + 100237415.

It is an arithmetic number, because the mean of its divisors is an integer number (1804272300).

Almost surely, 213231330134 is an apocalyptic number.

13231330134 is an abundant number, since it is smaller than the sum of its proper divisors (15637026666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13231330134 is a wasteful number, since it uses less digits than its factorization.

13231330134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200474715.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13231330134 its reverse (43103313231), we get a palindrome (56334643365).

The spelling of 13231330134 in words is "thirteen billion, two hundred thirty-one million, three hundred thirty thousand, one hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 200474699 400949398 601424097 1202848194 2205221689 4410443378 6615665067 13231330134