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2213212003231 = 731011036614409
BaseRepresentation
bin100000001101001101101…
…101110001101110011111
321211120200112211211200111
4200031031231301232133
5242230124233100411
64412422514110451
7315620312425645
oct40151555615637
97746615754614
102213212003231
11783688528619
122b8b2827b427
13130921b52b28
1479197525195
153c8862ce721
hex2034db71b9f

2213212003231 has 32 divisors (see below), whose sum is σ = 2291721344640. Its totient is φ = 2136575232000.

The previous prime is 2213212003229. The next prime is 2213212003271. The reversal of 2213212003231 is 1323002123122.

It is a cyclic number.

It is not a de Polignac number, because 2213212003231 - 21 = 2213212003229 is a prime.

It is a super-2 number, since 2×22132120032312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213212003201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501973755 + ... + 501978163.

It is an arithmetic number, because the mean of its divisors is an integer number (71616292020).

Almost surely, 22213212003231 is an apocalyptic number.

2213212003231 is a deficient number, since it is larger than the sum of its proper divisors (78509341409).

2213212003231 is a wasteful number, since it uses less digits than its factorization.

2213212003231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2213212003231 its reverse (1323002123122), we get a palindrome (3536214126353).

The spelling of 2213212003231 in words is "two trillion, two hundred thirteen billion, two hundred twelve million, three thousand, two hundred thirty-one".

Divisors: 1 73 101 103 661 4409 7373 7519 10403 48253 66761 68083 321857 445309 454127 759419 2914349 4873553 4970059 6876383 32507557 33151271 45866827 212747477 294349249 300177947 501975959 3348278371 21487495177 21912990131 30317972647 2213212003231