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1112201311 = 13821104207
BaseRepresentation
bin100001001001010…
…1101100001011111
32212111210200101011
41002102231201133
54234210420221
6302210200051
736363361264
oct10222554137
92774720334
101112201311
11520899341
12270583027
131495634b0
14a79d726b
15679961e1
hex424ad85f

1112201311 has 8 divisors (see below), whose sum is σ = 1199225664. Its totient is φ = 1025387040.

The previous prime is 1112201303. The next prime is 1112201327. The reversal of 1112201311 is 1131022111.

It is a happy number.

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 1112201311 - 23 = 1112201303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1112201291 and 1112201300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112201341) 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, 41431 + ... + 62776.

It is an arithmetic number, because the mean of its divisors is an integer number (149903208).

Almost surely, 21112201311 is an apocalyptic number.

1112201311 is a deficient number, since it is larger than the sum of its proper divisors (87024353).

1112201311 is a wasteful number, since it uses less digits than its factorization.

1112201311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105041.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1112201311 is about 33349.6823223251. The cubic root of 1112201311 is about 1036.0828083732.

Adding to 1112201311 its reverse (1131022111), we get a palindrome (2243223422).

The spelling of 1112201311 in words is "one billion, one hundred twelve million, two hundred one thousand, three hundred eleven".

Divisors: 1 13 821 10673 104207 1354691 85553947 1112201311