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203130031232331 = 32797157211720153
BaseRepresentation
bin101110001011111011100101…
…010110101101010101001011
3222122020001010010121100100100
4232023323211112231111023
5203111040300443413311
62000004351553340443
760533442351646410
oct5613734526552513
9878201103540310
10203130031232331
11597a5a650504a5
121a947b64567723
1389461062aa478
1438237901d6107
151873d29265a56
hexb8bee55ad54b

203130031232331 has 48 divisors (see below), whose sum is σ = 340940585911744. Its totient is φ = 114145955868672.

The previous prime is 203130031232327. The next prime is 203130031232341. The reversal of 203130031232331 is 133232130031302.

203130031232331 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 300 + 3 + 1 + 2 + 323 + 31 = 666.

It is not a de Polignac number, because 203130031232331 - 22 = 203130031232327 is a prime.

It is a super-2 number, since 2×2031300312323312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203130031232295 and 203130031232304.

It is not an unprimeable number, because it can be changed into a prime (203130031232311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104900650 + ... + 106819503.

Almost surely, 2203130031232331 is an apocalyptic number.

203130031232331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

203130031232331 is a deficient number, since it is larger than the sum of its proper divisors (137810554679413).

203130031232331 is a wasteful number, since it uses less digits than its factorization.

203130031232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211720420 (or 211720417 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 203130031232331 its reverse (133232130031302), we get a palindrome (336362161263633).

The spelling of 203130031232331 in words is "two hundred three trillion, one hundred thirty billion, thirty-one million, two hundred thirty-two thousand, three hundred thirty-one".

Divisors: 1 3 7 9 21 63 97 157 291 471 679 873 1099 1413 2037 3297 6111 9891 15229 45687 106603 137061 319809 959427 211720153 635160459 1482041071 1905481377 4446123213 13338369639 20536854841 33240064021 61610564523 99720192063 143757983887 184831693569 232680448147 299160576189 431273951661 698041344441 1293821854983 2094124033323 3224286210037 9672858630111 22570003470259 29018575890333 67710010410777 203130031232331