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201331295 = 5112332779
BaseRepresentation
bin11000000000000…
…01001001011111
3112000211200121122
430000001021133
5403020100140
631551121155
74663200464
oct1400011137
9460750548
10201331295
11a3712200
12575131bb
1332932259
141ca4b66b
1512a1dab5
hexc00125f

201331295 has 12 divisors (see below), whose sum is σ = 265558440. Its totient is φ = 146422320.

The previous prime is 201331271. The next prime is 201331321. The reversal of 201331295 is 592133102.

It is not a de Polignac number, because 201331295 - 210 = 201330271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165785 + ... + 166994.

It is an arithmetic number, because the mean of its divisors is an integer number (22129870).

Almost surely, 2201331295 is an apocalyptic number.

201331295 is a deficient number, since it is larger than the sum of its proper divisors (64227145).

201331295 is a wasteful number, since it uses less digits than its factorization.

201331295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332806 (or 332795 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 201331295 is about 14189.1259420727. The cubic root of 201331295 is about 586.0982558785.

Adding to 201331295 its reverse (592133102), we get a palindrome (793464397).

The spelling of 201331295 in words is "two hundred one million, three hundred thirty-one thousand, two hundred ninety-five".

Divisors: 1 5 11 55 121 605 332779 1663895 3660569 18302845 40266259 201331295