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2214511331 = 79116324103
BaseRepresentation
bin1000001111111110…
…1100001011100011
312201022222211110012
42003333230023203
514013403330311
61003424355135
7105610015154
oct20377541343
95638884405
102214511331
11a3704115a
12519775aab
13293a42746
1417017792b
15ce63678b
hex83fec2e3

2214511331 has 8 divisors (see below), whose sum is σ = 2244564480. Its totient is φ = 2184508872.

The previous prime is 2214511303. The next prime is 2214511333. The reversal of 2214511331 is 1331154122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2214511331 is a prime.

It is a super-2 number, since 2×22145113312 = 9808120870254783122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2214511297 and 2214511306.

It is not an unprimeable number, because it can be changed into a prime (2214511333) 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, 79826 + ... + 103928.

It is an arithmetic number, because the mean of its divisors is an integer number (280570560).

Almost surely, 22214511331 is an apocalyptic number.

2214511331 is a deficient number, since it is larger than the sum of its proper divisors (30053149).

2214511331 is a wasteful number, since it uses less digits than its factorization.

2214511331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25345.

The product of its digits is 720, while the sum is 23.

The square root of 2214511331 is about 47058.5946560243. The cubic root of 2214511331 is about 1303.4447753180. Note that the first 3 decimals are identical.

Adding to 2214511331 its reverse (1331154122), we get a palindrome (3545665453).

The spelling of 2214511331 in words is "two billion, two hundred fourteen million, five hundred eleven thousand, three hundred thirty-one".

Divisors: 1 79 1163 24103 91877 1904137 28031789 2214511331