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12303201331 = 2341910631201
BaseRepresentation
bin10110111010101001…
…11111010000110011
31011202102122101101101
423131110333100303
5200144104420311
65352500145231
7613612325431
oct133524772063
934672571341
1012303201331
115243922293
122474398217
131210c137b5
14849dc5d51
154c01b2ec1
hex2dd53f433

12303201331 has 16 divisors (see below), whose sum is σ = 12891594240. Its totient is φ = 11719382400.

The previous prime is 12303201311. The next prime is 12303201343. The reversal of 12303201331 is 13310230321.

It is a cyclic number.

It is not a de Polignac number, because 12303201331 - 211 = 12303199283 is a prime.

It is a super-2 number, since 2×123032013312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12303201299 and 12303201308.

It is not an unprimeable number, because it can be changed into a prime (12303201311) 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, 10243531 + ... + 10244731.

It is an arithmetic number, because the mean of its divisors is an integer number (805724640).

Almost surely, 212303201331 is an apocalyptic number.

12303201331 is a deficient number, since it is larger than the sum of its proper divisors (588392909).

12303201331 is a wasteful number, since it uses less digits than its factorization.

12303201331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12303201331 its reverse (13310230321), we get a palindrome (25613431652).

The spelling of 12303201331 in words is "twelve billion, three hundred three million, two hundred one thousand, three hundred thirty-one".

Divisors: 1 23 419 1063 1201 9637 24449 27623 445397 503219 1276663 10244131 11574037 29363249 534921797 12303201331