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111311101301 = 229613484777
BaseRepresentation
bin110011110101010101…
…0001001110101110101
3101122022110110211020112
41213222222021311311
53310431120220201
6123045143112405
711020251515141
oct1475252116565
9348273424215
10111311101301
114323023aa04
12196a5a42705
13a65c020aaa
14555d394221
152d6727c0bb
hex19eaa89d75

111311101301 has 4 divisors (see below), whose sum is σ = 111311815692. Its totient is φ = 111310386912.

The previous prime is 111311101271. The next prime is 111311101303. The reversal of 111311101301 is 103101113111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 103101113111 = 533319332667.

It can be written as a sum of positive squares in 2 ways, for example, as 83751781201 + 27559320100 = 289399^2 + 166010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111311101301 is a prime.

It is a super-2 number, since 2×1113111013012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111311101303) 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, 12776 + ... + 472001.

It is an arithmetic number, because the mean of its divisors is an integer number (27827953923).

Almost surely, 2111311101301 is an apocalyptic number.

It is an amenable number.

111311101301 is a deficient number, since it is larger than the sum of its proper divisors (714391).

111311101301 is an equidigital number, since it uses as much as digits as its factorization.

111311101301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714390.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 111311101301 its reverse (103101113111), we get a palindrome (214412214412).

The spelling of 111311101301 in words is "one hundred eleven billion, three hundred eleven million, one hundred one thousand, three hundred one".

Divisors: 1 229613 484777 111311101301