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2031423201 = 321012234789
BaseRepresentation
bin111100100010101…
…0000111011100001
312020120110222202100
41321011100323201
513130021020301
6533324241013
7101224545423
oct17105207341
95216428670
102031423201
1195275a355
124883a0169
13264b2a082
14153b18813
15bd51d286
hex79150ee1

2031423201 has 12 divisors (see below), whose sum is σ = 2963331540. Its totient is φ = 1340872800.

The previous prime is 2031423169. The next prime is 2031423203. The reversal of 2031423201 is 1023241302.

2031423201 is a `hidden beast` number, since 203 + 142 + 320 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1510488225 + 520934976 = 38865^2 + 22824^2 .

It is not a de Polignac number, because 2031423201 - 25 = 2031423169 is a prime.

It is a super-2 number, since 2×20314232012 = 8253360443122172802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2031423203) 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, 1116486 + ... + 1118303.

It is an arithmetic number, because the mean of its divisors is an integer number (246944295).

Almost surely, 22031423201 is an apocalyptic number.

It is an amenable number.

2031423201 is a deficient number, since it is larger than the sum of its proper divisors (931908339).

2031423201 is a wasteful number, since it uses less digits than its factorization.

2031423201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234896 (or 2234893 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2031423201 is about 45071.3123949148. The cubic root of 2031423201 is about 1266.4852496951.

Adding to 2031423201 its reverse (1023241302), we get a palindrome (3054664503).

The spelling of 2031423201 in words is "two billion, thirty-one million, four hundred twenty-three thousand, two hundred one".

Divisors: 1 3 9 101 303 909 2234789 6704367 20113101 225713689 677141067 2031423201