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1000131201 = 32373003397
BaseRepresentation
bin111011100111001…
…100101010000001
32120200220221002100
4323213030222001
54022013144301
6243124141013
733532655256
oct7347145201
92520827070
101000131201
11473603413
1223ab37769
1312c284b14
1496b8342d
155cc0a286
hex3b9cca81

1000131201 has 12 divisors (see below), whose sum is σ = 1483678612. Its totient is φ = 648733536.

The previous prime is 1000131169. The next prime is 1000131203. The reversal of 1000131201 is 1021310001.

1000131201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 849431025 + 150700176 = 29145^2 + 12276^2 .

It is not a de Polignac number, because 1000131201 - 25 = 1000131169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000131203) 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, 1501366 + ... + 1502031.

Almost surely, 21000131201 is an apocalyptic number.

It is an amenable number.

1000131201 is a deficient number, since it is larger than the sum of its proper divisors (483547411).

1000131201 is a wasteful number, since it uses less digits than its factorization.

1000131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003440 (or 3003437 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1000131201 is about 31624.8510036016. The cubic root of 1000131201 is about 1000.0437317542.

Adding to 1000131201 its reverse (1021310001), we get a palindrome (2021441202).

The spelling of 1000131201 in words is "one billion, one hundred thirty-one thousand, two hundred one".

Divisors: 1 3 9 37 111 333 3003397 9010191 27030573 111125689 333377067 1000131201