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11231013112231 = 118562711923823
BaseRepresentation
bin1010001101101110110010…
…0011000000100110100111
31110202200012121120200220011
42203123230203000212213
52433002103324042411
635515242312151051
72236261655221213
oct243335443004647
943680177520804
1011231013112231
113640056123380
12131478b698487
136361069867c3
142ab826463943
15147227678c21
hexa36ec8c09a7

11231013112231 has 8 divisors (see below), whose sum is σ = 12252158417664. Its totient is φ = 10209891825720.

The previous prime is 11231013112223. The next prime is 11231013112289. The reversal of 11231013112231 is 13221131013211.

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 11231013112231 - 23 = 11231013112223 is a prime.

It is a super-2 number, since 2×112310131122312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231013113231) 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, 5020015 + ... + 6903808.

It is an arithmetic number, because the mean of its divisors is an integer number (1531519802208).

Almost surely, 211231013112231 is an apocalyptic number.

11231013112231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11231013112231 is a deficient number, since it is larger than the sum of its proper divisors (1021145305433).

11231013112231 is a wasteful number, since it uses less digits than its factorization.

11231013112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12009461.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11231013112231 its reverse (13221131013211), we get a palindrome (24452144125442).

The spelling of 11231013112231 in words is "eleven trillion, two hundred thirty-one billion, thirteen million, one hundred twelve thousand, two hundred thirty-one".

Divisors: 1 11 85627 941897 11923823 131162053 1021001192021 11231013112231