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213311101331 = 1719365014051
BaseRepresentation
bin1100011010101001010…
…1010001100110010011
3202101121000110200202102
43012222111101212103
511443330120220311
6241554353111015
721261022305416
oct3065225214623
9671530420672
10213311101331
1182512612699
123541155846b
1317165ca78b3
14a477cadb7d
155836d7943b
hex31aa551993

213311101331 has 8 divisors (see below), whose sum is σ = 227029069584. Its totient is φ = 199723161600.

The previous prime is 213311101303. The next prime is 213311101363. The reversal of 213311101331 is 133101113312.

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

It is a cyclic number.

It is not a de Polignac number, because 213311101331 - 214 = 213311084947 is a prime.

It is a super-2 number, since 2×2133111013312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213311101391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32503745 + ... + 32510306.

It is an arithmetic number, because the mean of its divisors is an integer number (28378633698).

Almost surely, 2213311101331 is an apocalyptic number.

213311101331 is a deficient number, since it is larger than the sum of its proper divisors (13717968253).

213311101331 is a wasteful number, since it uses less digits than its factorization.

213311101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65014261.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 213311101331 its reverse (133101113312), we get a palindrome (346412214643).

The spelling of 213311101331 in words is "two hundred thirteen billion, three hundred eleven million, one hundred one thousand, three hundred thirty-one".

Divisors: 1 17 193 3281 65014051 1105238867 12547711843 213311101331