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203130133301231 = 3111104959006249
BaseRepresentation
bin101110001011111011101011…
…011100000100011111101111
3222122020001101020122222112222
4232023323223130010133233
5203111041003111114411
62000004410041145555
760533445031346363
oct5613735334043757
9878201336588488
10203130133301231
11597a6007725364
121a947b9278b2bb
138946121496876
14382379d9a52a3
151873d331c84db
hexb8beeb7047ef

203130133301231 has 8 divisors (see below), whose sum is σ = 209684610000000. Its totient is φ = 196575774837120.

The previous prime is 203130133301209. The next prime is 203130133301311. The reversal of 203130133301231 is 132103331031302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203130133301231 is a prime.

It is a super-2 number, since 2×2031301333012312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203130133301231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203130133301201) 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, 26060606 + ... + 32945643.

It is an arithmetic number, because the mean of its divisors is an integer number (26210576250000).

Almost surely, 2203130133301231 is an apocalyptic number.

203130133301231 is a deficient number, since it is larger than the sum of its proper divisors (6554476698769).

203130133301231 is a wasteful number, since it uses less digits than its factorization.

203130133301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59117329.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 203130133301231 its reverse (132103331031302), we get a palindrome (335233464332533).

The spelling of 203130133301231 in words is "two hundred three trillion, one hundred thirty billion, one hundred thirty-three million, three hundred one thousand, two hundred thirty-one".

Divisors: 1 31 111049 3442519 59006249 1829193719 6552584945201 203130133301231