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221331302201113 = 13197231137396703
BaseRepresentation
bin110010010100110010110101…
…101001010011011100011001
31002000200001210000001120221021
4302110302311221103130121
5213002243001330413423
62102422110242042441
764422441666335506
oct6224626551233431
91060601700046837
10221331302201113
1164583094aa7575
12209a75a5349421
1396665b575ac30
143c926c67aa4ad
151a8c505e4b95d
hexc94cb5a53719

221331302201113 has 16 divisors (see below), whose sum is σ = 239670389984256. Its totient is φ = 203180769570240.

The previous prime is 221331302201111. The next prime is 221331302201147. The reversal of 221331302201113 is 311102203133122.

221331302201113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 221331302201113 - 21 = 221331302201111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221331302201111) 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, 12779881 + ... + 24616822.

It is an arithmetic number, because the mean of its divisors is an integer number (14979399374016).

Almost surely, 2221331302201113 is an apocalyptic number.

It is an amenable number.

221331302201113 is a deficient number, since it is larger than the sum of its proper divisors (18339087783143).

221331302201113 is a wasteful number, since it uses less digits than its factorization.

221331302201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37399224.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 221331302201113 its reverse (311102203133122), we get a palindrome (532433505334235).

The spelling of 221331302201113 in words is "two hundred twenty-one trillion, three hundred thirty-one billion, three hundred two million, two hundred one thousand, one hundred thirteen".

Divisors: 1 13 197 2311 2561 30043 455267 5918471 37396703 486157139 7367150491 86423780633 95772956383 1123509148229 17025484784701 221331302201113