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20301201401431 = 233511812330949
BaseRepresentation
bin1001001110110101111011…
…11001011110011001010111
32122212202221122001001100011
410213122331321132121113
510130103330024321211
6111102124305301051
74163466460500316
oct447327571363127
978782848031304
1020301201401431
116517766a37a85
12233a613334787
13b43519ca7962
14502824b7627d
15253132c5a921
hex1276bde5e657

20301201401431 has 16 divisors (see below), whose sum is σ = 21193189286400. Its totient is φ = 19409992636320.

The previous prime is 20301201401419. The next prime is 20301201401441. The reversal of 20301201401431 is 13410410210302.

It is a cyclic number.

It is not a de Polignac number, because 20301201401431 - 25 = 20301201401399 is a prime.

It is a super-3 number, since 3×203012014014313 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301201401441) 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, 655941145 + ... + 655972093.

It is an arithmetic number, because the mean of its divisors is an integer number (1324574330400).

Almost surely, 220301201401431 is an apocalyptic number.

20301201401431 is a deficient number, since it is larger than the sum of its proper divisors (891987884969).

20301201401431 is a wasteful number, since it uses less digits than its factorization.

20301201401431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42606.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20301201401431 its reverse (13410410210302), we get a palindrome (33711611611733).

The spelling of 20301201401431 in words is "twenty trillion, three hundred one billion, two hundred one million, four hundred one thousand, four hundred thirty-one".

Divisors: 1 23 3511 8123 30949 80753 186829 711827 28519853 108661939 251398727 655956619 2499224597 5782170721 882660930497 20301201401431