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101031201 = 3231379787
BaseRepresentation
bin1100000010110…
…01110100100001
321001002220202100
412001121310201
5201330444301
614005241013
72334515415
oct601316441
9231086670
10101031201
1152036267
1229a03169
1317c14c9b
14d5bcd45
158d0a286
hex6059d21

101031201 has 24 divisors (see below), whose sum is σ = 154728704. Its totient is φ = 63413280.

The previous prime is 101031199. The next prime is 101031211. The reversal of 101031201 is 102130101.

It is not a de Polignac number, because 101031201 - 21 = 101031199 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 (101031211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5430 + ... + 15216.

Almost surely, 2101031201 is an apocalyptic number.

It is an amenable number.

101031201 is a deficient number, since it is larger than the sum of its proper divisors (53697503).

101031201 is a wasteful number, since it uses less digits than its factorization.

101031201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9861 (or 9858 counting only the distinct ones).

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

The square root of 101031201 is about 10051.4278090230. The cubic root of 101031201 is about 465.7489007453.

Adding to 101031201 its reverse (102130101), we get a palindrome (203161302).

The spelling of 101031201 in words is "one hundred one million, thirty-one thousand, two hundred one".

Divisors: 1 3 9 31 37 93 111 279 333 1147 3441 9787 10323 29361 88083 303397 362119 910191 1086357 2730573 3259071 11225689 33677067 101031201