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20222312331 = 313518520829
BaseRepresentation
bin10010110101010101…
…111111111110001011
31221012022211220102210
4102311111333332023
5312403402443311
613142350200203
71314061550544
oct226525777613
957168756383
1020222312331
118637a71621
123b044b3063
131ba37749b0
14d9ba354cb
157d55313a6
hex4b557ff8b

20222312331 has 8 divisors (see below), whose sum is σ = 29037166480. Its totient is φ = 12444499872.

The previous prime is 20222312291. The next prime is 20222312417. The reversal of 20222312331 is 13321322202.

It is a happy number.

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

It is not a de Polignac number, because 20222312331 - 26 = 20222312267 is a prime.

It is a super-2 number, since 2×202223123312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20222312298 and 20222312307.

It is not an unprimeable number, because it can be changed into a prime (20222312531) 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 7 ways as a sum of consecutive naturals, for example, 259260376 + ... + 259260453.

It is an arithmetic number, because the mean of its divisors is an integer number (3629645810).

Almost surely, 220222312331 is an apocalyptic number.

20222312331 is a deficient number, since it is larger than the sum of its proper divisors (8814854149).

20222312331 is a wasteful number, since it uses less digits than its factorization.

20222312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518520845.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20222312331 its reverse (13321322202), we get a palindrome (33543634533).

The spelling of 20222312331 in words is "twenty billion, two hundred twenty-two million, three hundred twelve thousand, three hundred thirty-one".

Divisors: 1 3 13 39 518520829 1555562487 6740770777 20222312331