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201431344433 = 1119963786337
BaseRepresentation
bin1011101110011000111…
…1100110010100110001
3201020221002121111221012
42323212033212110301
511300012411010213
6232311500440305
720360441114564
oct2734617462461
9636832544835
10201431344433
1178476819490
1233056b49095
1315cc1a23847
149a6c2324db
15538de5b4a8
hex2ee63e6531

201431344433 has 8 divisors (see below), whose sum is σ = 231308721120. Its totient is φ = 173481540480.

The previous prime is 201431344417. The next prime is 201431344501. The reversal of 201431344433 is 334443134102.

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 201431344433 - 24 = 201431344417 is a prime.

It is a super-3 number, since 3×2014313444333 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201431344433.

It is not an unprimeable number, because it can be changed into a prime (201431344033) 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, 481892960 + ... + 481893377.

It is an arithmetic number, because the mean of its divisors is an integer number (28913590140).

Almost surely, 2201431344433 is an apocalyptic number.

It is an amenable number.

201431344433 is a deficient number, since it is larger than the sum of its proper divisors (29877376687).

201431344433 is a wasteful number, since it uses less digits than its factorization.

201431344433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963786367.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 201431344433 its reverse (334443134102), we get a palindrome (535874478535).

The spelling of 201431344433 in words is "two hundred one billion, four hundred thirty-one million, three hundred forty-four thousand, four hundred thirty-three".

Divisors: 1 11 19 209 963786337 10601649707 18311940403 201431344433