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112211312311 = 716030187473
BaseRepresentation
bin110100010000001010…
…0001011111010110111
3101201122012101021121001
41220200110023322313
53314302043443221
6123314341504131
711051462263060
oct1504024137267
9351565337531
10112211312311
11436523a684a
12198b7412047
13a77368c527
145606b67567
152dbb2eb391
hex1a2050beb7

112211312311 has 4 divisors (see below), whose sum is σ = 128241499792. Its totient is φ = 96181124832.

The previous prime is 112211312287. The next prime is 112211312333. The reversal of 112211312311 is 113213112211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113213112211 = 835313553587.

It is a cyclic number.

It is not a de Polignac number, because 112211312311 - 219 = 112210788023 is a prime.

It is a super-2 number, since 2×1122113123112 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211312611) 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, 8015093730 + ... + 8015093743.

It is an arithmetic number, because the mean of its divisors is an integer number (32060374948).

Almost surely, 2112211312311 is an apocalyptic number.

112211312311 is a deficient number, since it is larger than the sum of its proper divisors (16030187481).

112211312311 is an equidigital number, since it uses as much as digits as its factorization.

112211312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16030187480.

The product of its digits is 72, while the sum is 19.

Adding to 112211312311 its reverse (113213112211), we get a palindrome (225424424522).

The spelling of 112211312311 in words is "one hundred twelve billion, two hundred eleven million, three hundred twelve thousand, three hundred eleven".

Divisors: 1 7 16030187473 112211312311