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111013311113 = 257431958409
BaseRepresentation
bin110011101100011101…
…0001011001010001001
3101121112201010111220022
41213120322023022021
53304323401423423
6122555424310225
711010004401155
oct1473072131211
9347481114808
10111013311113
1143098135811
1219622172375
13a612417a93
1455319d8065
152d4b057dc8
hex19d8e8b289

111013311113 has 4 divisors (see below), whose sum is σ = 111445269780. Its totient is φ = 110581352448.

The previous prime is 111013311089. The next prime is 111013311137. The reversal of 111013311113 is 311113310111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311113310111 = 2313526665657.

It is an interprime number because it is at equal distance from previous prime (111013311089) and next prime (111013311137).

It can be written as a sum of positive squares in 2 ways, for example, as 100810695049 + 10202616064 = 317507^2 + 101008^2 .

It is a cyclic number.

It is not a de Polignac number, because 111013311113 - 26 = 111013311049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111013311091 and 111013311100.

It is not an unprimeable number, because it can be changed into a prime (111013311163) 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, 215978948 + ... + 215979461.

It is an arithmetic number, because the mean of its divisors is an integer number (27861317445).

Almost surely, 2111013311113 is an apocalyptic number.

It is an amenable number.

111013311113 is a deficient number, since it is larger than the sum of its proper divisors (431958667).

111013311113 is an equidigital number, since it uses as much as digits as its factorization.

111013311113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431958666.

The product of its (nonzero) digits is 27, while the sum is 17.

Adding to 111013311113 its reverse (311113310111), we get a palindrome (422126621224).

The spelling of 111013311113 in words is "one hundred eleven billion, thirteen million, three hundred eleven thousand, one hundred thirteen".

Divisors: 1 257 431958409 111013311113