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11231112312213 = 319967920357171
BaseRepresentation
bin1010001101101111001001…
…1101011011010110010101
31110202200110112020120200120
42203123302131123112111
52433002304222442323
635515300214302153
72236264301342043
oct243336235332625
943680415216616
1011231112312213
1136400a7118832
1213147b8957959
136361213aa111
142ab8356c7393
151472312215e3
hexa36f275b595

11231112312213 has 16 divisors (see below), whose sum is σ = 15764593996800. Its totient is φ = 7092600885360.

The previous prime is 11231112312181. The next prime is 11231112312227. The reversal of 11231112312213 is 31221321113211.

It is not a de Polignac number, because 11231112312213 - 25 = 11231112312181 is a prime.

It is a super-2 number, since 2×112311123122132 (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 (11231112312253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9626883 + ... + 10730288.

It is an arithmetic number, because the mean of its divisors is an integer number (985287124800).

Almost surely, 211231112312213 is an apocalyptic number.

It is an amenable number.

11231112312213 is a deficient number, since it is larger than the sum of its proper divisors (4533481684587).

11231112312213 is a wasteful number, since it uses less digits than its factorization.

11231112312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20366872.

The product of its digits is 432, while the sum is 24.

Adding to 11231112312213 its reverse (31221321113211), we get a palindrome (42452433425424).

The spelling of 11231112312213 in words is "eleven trillion, two hundred thirty-one billion, one hundred twelve million, three hundred twelve thousand, two hundred thirteen".

Divisors: 1 3 19 57 9679 29037 183901 551703 20357171 61071513 386786249 1160358747 197037058109 591111174327 3743704104071 11231112312213