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2212141331 = 7928001789
BaseRepresentation
bin1000001111011010…
…1001100100010011
312201011112102102102
42003312221210103
514012302010311
61003301511015
7105550614431
oct20366514423
95634472372
102212141331
11a35772584
12518a1246b
132933c2a8a
1416db1bd51
15ce31943b
hex83da9913

2212141331 has 4 divisors (see below), whose sum is σ = 2240143200. Its totient is φ = 2184139464.

The previous prime is 2212141313. The next prime is 2212141333. The reversal of 2212141331 is 1331412122.

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 2212141331 - 226 = 2145032467 is a prime.

It is a super-2 number, since 2×22121413312 = 9787138536636903122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212141333) 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, 14000816 + ... + 14000973.

It is an arithmetic number, because the mean of its divisors is an integer number (560035800).

Almost surely, 22212141331 is an apocalyptic number.

2212141331 is a deficient number, since it is larger than the sum of its proper divisors (28001869).

2212141331 is an equidigital number, since it uses as much as digits as its factorization.

2212141331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28001868.

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

The square root of 2212141331 is about 47033.4065425842. The cubic root of 2212141331 is about 1302.9796212602.

Adding to 2212141331 its reverse (1331412122), we get a palindrome (3543553453).

The spelling of 2212141331 in words is "two billion, two hundred twelve million, one hundred forty-one thousand, three hundred thirty-one".

Divisors: 1 79 28001789 2212141331