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2213210220311 = 5006294420859
BaseRepresentation
bin100000001101001101100…
…110111110011100010111
321211120200102111020222102
4200031031212332130113
5242230123304022221
64412422411552315
7315620261321636
oct40151546763427
97746612436872
102213210220311
11783687520032
122b8b2775b69b
1313092167a44c
14791971bd51d
153c88607b30b
hex2034d9be717

2213210220311 has 4 divisors (see below), whose sum is σ = 2213215141800. Its totient is φ = 2213205298824.

The previous prime is 2213210220307. The next prime is 2213210220329. The reversal of 2213210220311 is 1130220123122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2213210220311 - 22 = 2213210220307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213210229311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1709801 + ... + 2711058.

It is an arithmetic number, because the mean of its divisors is an integer number (553303785450).

Almost surely, 22213210220311 is an apocalyptic number.

2213210220311 is a deficient number, since it is larger than the sum of its proper divisors (4921489).

2213210220311 is an equidigital number, since it uses as much as digits as its factorization.

2213210220311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921488.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2213210220311 its reverse (1130220123122), we get a palindrome (3343430343433).

The spelling of 2213210220311 in words is "two trillion, two hundred thirteen billion, two hundred ten million, two hundred twenty thousand, three hundred eleven".

Divisors: 1 500629 4420859 2213210220311