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112303031111 = 154333727667
BaseRepresentation
bin110100010010111001…
…0000100001101000111
3101201212120222002010122
41220211302010031013
53314444033443421
6123331415412155
711053655004605
oct1504562041507
9351776862118
10112303031111
114369a151507
121992208405b
13a7896938cb
145615000875
152dc43b72ab
hex1a25c84347

112303031111 has 4 divisors (see below), whose sum is σ = 112303913112. Its totient is φ = 112302149112.

The previous prime is 112303031107. The next prime is 112303031177. The reversal of 112303031111 is 111130303211.

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: 111130303211 = 1013310967167.

It is a cyclic number.

It is not a de Polignac number, because 112303031111 - 22 = 112303031107 is a prime.

It is a super-2 number, since 2×1123030311112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112303031111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112303031011) 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, 209501 + ... + 518166.

It is an arithmetic number, because the mean of its divisors is an integer number (28075978278).

Almost surely, 2112303031111 is an apocalyptic number.

112303031111 is a deficient number, since it is larger than the sum of its proper divisors (882001).

112303031111 is an equidigital number, since it uses as much as digits as its factorization.

112303031111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882000.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 112303031111 its reverse (111130303211), we get a palindrome (223433334322).

The spelling of 112303031111 in words is "one hundred twelve billion, three hundred three million, thirty-one thousand, one hundred eleven".

Divisors: 1 154333 727667 112303031111