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22312102323 = 37321683287
BaseRepresentation
bin10100110001111001…
…111010100110110011
32010120222011020101010
4110301321322212303
5331143344233243
614130001442003
71416625512000
oct246171724663
963528136333
1022312102323
11950a666795
1243a8340303
1321476c9514
1411193c48a7
158a8c2d433
hex531e7a9b3

22312102323 has 16 divisors (see below), whose sum is σ = 34693260800. Its totient is φ = 12749772168.

The previous prime is 22312102303. The next prime is 22312102327. The reversal of 22312102323 is 32320121322.

It is a happy number.

It is not a de Polignac number, because 22312102323 - 26 = 22312102259 is a prime.

It is a super-3 number, since 3×223121023233 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22312102323.

It is not an unprimeable number, because it can be changed into a prime (22312102327) 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, 10840615 + ... + 10842672.

It is an arithmetic number, because the mean of its divisors is an integer number (2168328800).

Almost surely, 222312102323 is an apocalyptic number.

22312102323 is a deficient number, since it is larger than the sum of its proper divisors (12381158477).

22312102323 is an equidigital number, since it uses as much as digits as its factorization.

22312102323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21683311 (or 21683297 counting only the distinct ones).

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

Adding to 22312102323 its reverse (32320121322), we get a palindrome (54632223645).

The spelling of 22312102323 in words is "twenty-two billion, three hundred twelve million, one hundred two thousand, three hundred twenty-three".

Divisors: 1 3 7 21 49 147 343 1029 21683287 65049861 151783009 455349027 1062481063 3187443189 7437367441 22312102323