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22313232331 = 131997931309
BaseRepresentation
bin10100110001111110…
…001110011111001011
32010121001021122110021
4110301332032133023
5331144141413311
614130042001311
71416641226325
oct246176163713
963531248407
1022313232331
119510268785
1243a87a6237
132147a03970
1411195da615
158a8da3171
hex531f8e7cb

22313232331 has 16 divisors (see below), whose sum is σ = 25555146400. Its totient is φ = 19311602688.

The previous prime is 22313232317. The next prime is 22313232349. The reversal of 22313232331 is 13323231322.

It is a cyclic number.

It is not a de Polignac number, because 22313232331 - 27 = 22313232203 is a prime.

It is a super-3 number, since 3×223132323313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22313232296 and 22313232305.

It is not an unprimeable number, because it can be changed into a prime (22313232391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441696 + ... + 489613.

It is an arithmetic number, because the mean of its divisors is an integer number (1597196650).

Almost surely, 222313232331 is an apocalyptic number.

22313232331 is a deficient number, since it is larger than the sum of its proper divisors (3241914069).

22313232331 is a wasteful number, since it uses less digits than its factorization.

22313232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931438.

The product of its digits is 3888, while the sum is 25.

Adding to 22313232331 its reverse (13323231322), we get a palindrome (35636463653).

The spelling of 22313232331 in words is "twenty-two billion, three hundred thirteen million, two hundred thirty-two thousand, three hundred thirty-one".

Divisors: 1 13 19 97 247 1261 1843 23959 931309 12107017 17694871 90336973 230033323 1174380649 1716402487 22313232331