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12201302310031 = 307379104864527
BaseRepresentation
bin1011000110001101011001…
…0010100011110010001111
31121012102200201212222210201
42301203112102203302033
53044401231342410111
641541111221114331
72366341434300532
oct261432622436217
947172621788721
1012201302310031
1139845a808088a
12145083b5589a7
136a67687752c3
14302790a22a19
151625b588e6c1
hexb18d64a3c8f

12201302310031 has 8 divisors (see below), whose sum is σ = 12273344357120. Its totient is φ = 12129469993368.

The previous prime is 12201302310019. The next prime is 12201302310061. The reversal of 12201302310031 is 13001320310221.

12201302310031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12201302310031 - 217 = 12201302178959 is a prime.

It is a super-2 number, since 2×122013023100312 (a number of 27 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 = 12201302309990 and 12201302310008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201302310061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52315911 + ... + 52548616.

It is an arithmetic number, because the mean of its divisors is an integer number (1534168044640).

Almost surely, 212201302310031 is an apocalyptic number.

12201302310031 is a deficient number, since it is larger than the sum of its proper divisors (72042047089).

12201302310031 is a wasteful number, since it uses less digits than its factorization.

12201302310031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104865213.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12201302310031 its reverse (13001320310221), we get a palindrome (25202622620252).

The spelling of 12201302310031 in words is "twelve trillion, two hundred one billion, three hundred two million, three hundred ten thousand, thirty-one".

Divisors: 1 307 379 116353 104864527 32193409789 39743655733 12201302310031