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20101031301 = 313515411059
BaseRepresentation
bin10010101110000111…
…010110010110000101
31220212212122012010210
4102232013112112011
5312131331000201
613122334510033
71311056642541
oct225607262605
956785565123
1020101031301
11858556536a
123a8b965319
131b845bc980
14d898a4a21
157c9a761d6
hex4ae1d6585

20101031301 has 8 divisors (see below), whose sum is σ = 28863019360. Its totient is φ = 12369865392.

The previous prime is 20101031281. The next prime is 20101031303. The reversal of 20101031301 is 10313010102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20101031301 - 211 = 20101029253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101031303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257705491 + ... + 257705568.

It is an arithmetic number, because the mean of its divisors is an integer number (3607877420).

Almost surely, 220101031301 is an apocalyptic number.

It is an amenable number.

20101031301 is a deficient number, since it is larger than the sum of its proper divisors (8761988059).

20101031301 is a wasteful number, since it uses less digits than its factorization.

20101031301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515411075.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 20101031301 its reverse (10313010102), we get a palindrome (30414041403).

The spelling of 20101031301 in words is "twenty billion, one hundred one million, thirty-one thousand, three hundred one".

Divisors: 1 3 13 39 515411059 1546233177 6700343767 20101031301