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201131020333 = 2397130012
BaseRepresentation
bin1011101101010001010…
…1111101000000101101
3201020011011111110201101
42323110111331000231
511243404020122313
6232222011443101
720350133315245
oct2732425750055
9636134443641
10201131020333
1178332243551
1232b92456491
1315c74741389
149a403b6b25
1553728d65dd
hex2ed457d02d

201131020333 has 12 divisors (see below), whose sum is σ = 210162021984. Its totient is φ = 192124020000.

The previous prime is 201131020291. The next prime is 201131020373. The reversal of 201131020333 is 333020131102.

It is not a de Polignac number, because 201131020333 - 229 = 200594149421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201131020333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201131020373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67019833 + ... + 67022833.

It is an arithmetic number, because the mean of its divisors is an integer number (17513501832).

Almost surely, 2201131020333 is an apocalyptic number.

201131020333 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

201131020333 is a deficient number, since it is larger than the sum of its proper divisors (9031001651).

201131020333 is an frugal number, since it uses more digits than its factorization.

201131020333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996 (or 3995 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 201131020333 its reverse (333020131102), we get a palindrome (534151151435).

The spelling of 201131020333 in words is "two hundred one billion, one hundred thirty-one million, twenty thousand, three hundred thirty-three".

Divisors: 1 23 971 3001 22333 69023 2913971 9006001 67021333 207138023 8744826971 201131020333