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11112131000131 = 729181521580477
BaseRepresentation
bin1010000110110011111010…
…0111101111011101000011
31110100022100111220200022021
42201230332213233131003
52424030121014001011
635344501552022311
72224552652023210
oct241547647573503
943308314820267
1011112131000131
1135a46a0290a57
1212b5732231997
13627b3c274085
142a5b89794b07
151440ba8de471
hexa1b3e9ef743

11112131000131 has 32 divisors (see below), whose sum is σ = 13235455658880. Its totient is φ = 9127869004800.

The previous prime is 11112131000123. The next prime is 11112131000183. The reversal of 11112131000131 is 13100013121111.

It is not a de Polignac number, because 11112131000131 - 23 = 11112131000123 is a prime.

It is a super-2 number, since 2×111121310001312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11112131000101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18852865 + ... + 19433341.

It is an arithmetic number, because the mean of its divisors is an integer number (413607989340).

Almost surely, 211112131000131 is an apocalyptic number.

11112131000131 is a deficient number, since it is larger than the sum of its proper divisors (2123324658749).

11112131000131 is a wasteful number, since it uses less digits than its factorization.

11112131000131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581215.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 11112131000131 its reverse (13100013121111), we get a palindrome (24212144121242).

The spelling of 11112131000131 in words is "eleven trillion, one hundred twelve billion, one hundred thirty-one million, one hundred thirty-one", and thus it is an aban number.

Divisors: 1 7 29 181 203 521 1267 3647 5249 15109 36743 94301 105763 580477 660107 2734729 4063339 16833833 19143103 105066337 117836831 302428517 735464359 2116999619 3046923773 8770426993 21328466411 54739561577 61392988951 383176931039 1587447285733 11112131000131