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201325131 = 3273195637
BaseRepresentation
bin10111111111111…
…11101001001011
3112000211101011100
423333333221023
5403014401011
631551032443
74663143510
oct1377775113
9460741140
10201325131
11a3708607
125750b723
133292c4c7
141ca49307
1512a1bd56
hexbfffa4b

201325131 has 12 divisors (see below), whose sum is σ = 332346352. Its totient is φ = 115042896.

The previous prime is 201325127. The next prime is 201325133. The reversal of 201325131 is 131523102.

201325131 is a `hidden beast` number, since 20 + 132 + 513 + 1 = 666.

It is not a de Polignac number, because 201325131 - 22 = 201325127 is a prime.

It is a super-2 number, since 2×2013251312 = 81063616744334322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201325133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1597756 + ... + 1597881.

Almost surely, 2201325131 is an apocalyptic number.

201325131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

201325131 is a deficient number, since it is larger than the sum of its proper divisors (131021221).

201325131 is a wasteful number, since it uses less digits than its factorization.

201325131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195650 (or 3195647 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 201325131 is about 14188.9087318229. The cubic root of 201325131 is about 586.0922744495.

Adding to 201325131 its reverse (131523102), we get a palindrome (332848233).

The spelling of 201325131 in words is "two hundred one million, three hundred twenty-five thousand, one hundred thirty-one".

Divisors: 1 3 7 9 21 63 3195637 9586911 22369459 28760733 67108377 201325131