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201431344332 = 22373268985513
BaseRepresentation
bin1011101110011000111…
…1100110010011001100
3201020221002121111210110
42323212033212103030
511300012411004312
6232311500440020
720360441114361
oct2734617462314
9636832544713
10201431344332
11784768193a9
1233056b49010
1315cc1a2379a
149a6c232468
15538de5b43c
hex2ee63e64cc

201431344332 has 48 divisors (see below), whose sum is σ = 476627671520. Its totient is φ = 66198601728.

The previous prime is 201431344327. The next prime is 201431344339. The reversal of 201431344332 is 233443134102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201431344332.

It is not an unprimeable number, because it can be changed into a prime (201431344339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2312808 + ... + 2398320.

Almost surely, 2201431344332 is an apocalyptic number.

It is an amenable number.

201431344332 is an abundant number, since it is smaller than the sum of its proper divisors (275196327188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201431344332 is a wasteful number, since it uses less digits than its factorization.

201431344332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88282 (or 88280 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 201431344332 its reverse (233443134102), we get a palindrome (434874478434).

The spelling of 201431344332 in words is "two hundred one billion, four hundred thirty-one million, three hundred forty-four thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 2689 5378 8067 10756 16134 32268 85513 171026 196297 256539 342052 392594 513078 588891 785188 1026156 1177782 2355564 6242449 12484898 18727347 24969796 37454694 74909388 229944457 459888914 689833371 919777828 1379666742 2759333484 16785945361 33571890722 50357836083 67143781444 100715672166 201431344332