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831080201 = 71091089227
BaseRepresentation
bin110001100010010…
…100011100001001
32010220211020201012
4301202110130021
53200224031301
6214244533305
726411031230
oct6142243411
92126736635
10831080201
11397139946
121b23b1235
13103245743
147c539b17
154ce65ebb
hex31894709

831080201 has 8 divisors (see below), whose sum is σ = 958520640. Its totient is φ = 705818448.

The previous prime is 831080177. The next prime is 831080203. The reversal of 831080201 is 102080138.

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 831080201 - 210 = 831079177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (831080203) 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, 543851 + ... + 545376.

It is an arithmetic number, because the mean of its divisors is an integer number (119815080).

Almost surely, 2831080201 is an apocalyptic number.

It is an amenable number.

831080201 is a deficient number, since it is larger than the sum of its proper divisors (127440439).

831080201 is a wasteful number, since it uses less digits than its factorization.

831080201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089343.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 831080201 is about 28828.4616481699. The cubic root of 831080201 is about 940.1871518865.

The spelling of 831080201 in words is "eight hundred thirty-one million, eighty thousand, two hundred one".

Divisors: 1 7 109 763 1089227 7624589 118725743 831080201