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11231105044031 = 671451574120123
BaseRepresentation
bin1010001101101111001000…
…0001101100111000111111
31110202200110000120022121122
42203123302001230320333
52433002300342402111
635515255354421155
72236264152511025
oct243336201547077
943680400508548
1011231105044031
1136400a3004074
1213147b64317bb
1363611ca33b12
142ab834754715
15147230787cdb
hexa36f206ce3f

11231105044031 has 16 divisors (see below), whose sum is σ = 11409143061888. Its totient is φ = 11053376796000.

The previous prime is 11231105044013. The next prime is 11231105044037. The reversal of 11231105044031 is 13044050113211.

It is a cyclic number.

It is not a de Polignac number, because 11231105044031 - 210 = 11231105043007 is a prime.

It is a super-2 number, since 2×112311050440312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231105044037) 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, 558112736 + ... + 558132858.

It is an arithmetic number, because the mean of its divisors is an integer number (713071441368).

Almost surely, 211231105044031 is an apocalyptic number.

11231105044031 is a deficient number, since it is larger than the sum of its proper divisors (178038017857).

11231105044031 is a wasteful number, since it uses less digits than its factorization.

11231105044031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27382.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 11231105044031 its reverse (13044050113211), we get a palindrome (24275155157242).

The spelling of 11231105044031 in words is "eleven trillion, two hundred thirty-one billion, one hundred five million, forty-four thousand, thirty-one".

Divisors: 1 67 1451 5741 20123 97217 384647 1348241 8330191 29198473 115526143 558122797 1956297691 7740251581 167628433493 11231105044031