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201022110131 = 4759460315749
BaseRepresentation
bin1011101100110111011…
…0011111100110110011
3201012212120120021000012
42323031312133212303
511243143130011011
6232203121245135
720344341512633
oct2731566374663
9635776507005
10201022110131
1178286816717
1232b61a937ab
1315c57ccb07b
149a2db466c3
155368071a8b
hex2ecdd9f9b3

201022110131 has 16 divisors (see below), whose sum is σ = 208837440000. Its totient is φ = 193356085728.

The previous prime is 201022110127. The next prime is 201022110139. The reversal of 201022110131 is 131011220102.

It is not a de Polignac number, because 201022110131 - 22 = 201022110127 is a prime.

It is a super-2 number, since 2×2010221101312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201022110139) 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, 12756245 + ... + 12771993.

It is an arithmetic number, because the mean of its divisors is an integer number (13052340000).

Almost surely, 2201022110131 is an apocalyptic number.

201022110131 is a deficient number, since it is larger than the sum of its proper divisors (7815329869).

201022110131 is a wasteful number, since it uses less digits than its factorization.

201022110131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20458.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 201022110131 its reverse (131011220102), we get a palindrome (332033330233).

The spelling of 201022110131 in words is "two hundred one billion, twenty-two million, one hundred ten thousand, one hundred thirty-one".

Divisors: 1 47 59 2773 4603 15749 216341 271577 740203 929191 12764119 43671977 72492647 3407154409 4277066173 201022110131