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2211023211331 = 11383683768389
BaseRepresentation
bin100000001011001011010…
…000001100101101000011
321211101001000020200122211
4200023023100030231003
5242211133420230311
64411421404442551
7315512134130314
oct40131320145503
97741030220584
102211023211331
11782764a638a0
122b8617249457
13130663546bac
147902a96460b
153c7a9078821
hex202cb40cb43

2211023211331 has 16 divisors (see below), whose sum is σ = 2421866926080. Its totient is φ = 2001835153120.

The previous prime is 2211023211263. The next prime is 2211023211401. The reversal of 2211023211331 is 1331123201122.

It is not a de Polignac number, because 2211023211331 - 239 = 1661267397443 is a prime.

It is a super-2 number, since 2×22110232113312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211023211731) 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, 2493285 + ... + 3261673.

It is an arithmetic number, because the mean of its divisors is an integer number (151366682880).

Almost surely, 22211023211331 is an apocalyptic number.

2211023211331 is a deficient number, since it is larger than the sum of its proper divisors (210843714749).

2211023211331 is a wasteful number, since it uses less digits than its factorization.

2211023211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769466.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2211023211331 its reverse (1331123201122), we get a palindrome (3542146412453).

The spelling of 2211023211331 in words is "two trillion, two hundred eleven billion, twenty-three million, two hundred eleven thousand, three hundred thirty-one".

Divisors: 1 11 383 683 4213 7513 261589 768389 2877479 8452279 294292987 524809687 3237222857 5772906557 201002110121 2211023211331