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201331300121 = 7161317831131
BaseRepresentation
bin1011101110000001000…
…1111101011100011001
3201020200010100201221022
42323200101331130121
511244311303100441
6232253524252225
720355114546320
oct2734021753431
9636603321838
10201331300121
11784252a7736
1233029541075
1315ca7095b23
149a5cc2d0b7
15538529884b
hex2ee047d719

201331300121 has 8 divisors (see below), whose sum is σ = 230235576384. Its totient is φ = 172462689360.

The previous prime is 201331300117. The next prime is 201331300171. The reversal of 201331300121 is 121003133102.

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 201331300121 - 22 = 201331300117 is a prime.

It is a super-2 number, since 2×2013313001212 (a number of 23 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 201331300121.

It is not an unprimeable number, because it can be changed into a prime (201331300171) 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, 8904275 + ... + 8926856.

It is an arithmetic number, because the mean of its divisors is an integer number (28779447048).

Almost surely, 2201331300121 is an apocalyptic number.

It is an amenable number.

201331300121 is a deficient number, since it is larger than the sum of its proper divisors (28904276263).

201331300121 is a wasteful number, since it uses less digits than its factorization.

201331300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17832751.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 201331300121 its reverse (121003133102), we get a palindrome (322334433223).

The spelling of 201331300121 in words is "two hundred one billion, three hundred thirty-one million, three hundred thousand, one hundred twenty-one".

Divisors: 1 7 1613 11291 17831131 124817917 28761614303 201331300121