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22313120121 = 322479235569
BaseRepresentation
bin10100110001111101…
…110011000101111001
32010121001001221112100
4110301331303011321
5331144124320441
614130035334013
71416640251225
oct246175630571
963531057470
1022313120121
1195101a1446
1243a8751309
132147994876
1411195ab785
158a8d7ecb6
hex531f73179

22313120121 has 6 divisors (see below), whose sum is σ = 32230062410. Its totient is φ = 14875413408.

The previous prime is 22313120101. The next prime is 22313120147. The reversal of 22313120121 is 12102131322.

22313120121 is a `hidden beast` number, since 2 + 231 + 312 + 0 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22309604496 + 3515625 = 149364^2 + 1875^2 .

It is not a de Polignac number, because 22313120121 - 211 = 22313118073 is a prime.

It is a super-3 number, since 3×223131201213 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22313120094 and 22313120103.

It is not an unprimeable number, because it can be changed into a prime (22313120101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1239617776 + ... + 1239617793.

Almost surely, 222313120121 is an apocalyptic number.

It is an amenable number.

22313120121 is a deficient number, since it is larger than the sum of its proper divisors (9916942289).

22313120121 is a wasteful number, since it uses less digits than its factorization.

22313120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479235575 (or 2479235572 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22313120121 its reverse (12102131322), we get a palindrome (34415251443).

The spelling of 22313120121 in words is "twenty-two billion, three hundred thirteen million, one hundred twenty thousand, one hundred twenty-one".

Divisors: 1 3 9 2479235569 7437706707 22313120121