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13110231318 = 232975346157
BaseRepresentation
bin11000011010110111…
…00100000100010110
31020211200012202101220
430031123210010112
5203322204400233
610004525431210
7642612061512
oct141533440426
936750182356
1013110231318
115618424918
12265a70b506
13130c188432
148c5261142
1551ae77eb3
hex30d6e4116

13110231318 has 16 divisors (see below), whose sum is σ = 27124616880. Its totient is φ = 4219384736.

The previous prime is 13110231317. The next prime is 13110231319. The reversal of 13110231318 is 81313201131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13110231317) and next prime (13110231319).

It is a super-2 number, since 2×131102313182 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110231313) 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, 37672905 + ... + 37673252.

It is an arithmetic number, because the mean of its divisors is an integer number (1695288555).

Almost surely, 213110231318 is an apocalyptic number.

13110231318 is an abundant number, since it is smaller than the sum of its proper divisors (14014385562).

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

13110231318 is a wasteful number, since it uses less digits than its factorization.

13110231318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75346191.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 13110231318 its reverse (81313201131), we get a palindrome (94423432449).

The spelling of 13110231318 in words is "thirteen billion, one hundred ten million, two hundred thirty-one thousand, three hundred eighteen".

Divisors: 1 2 3 6 29 58 87 174 75346157 150692314 226038471 452076942 2185038553 4370077106 6555115659 13110231318