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23211000313 = 109212944957
BaseRepresentation
bin10101100111011110…
…111100000111111001
32012220121120222121021
4111213132330013321
5340014004002223
614355112142441
71451122150564
oct254736740771
965817528537
1023211000313
119931006096
1245b9397a21
13225b9c8417
1411a29354db
1590cadd65d
hex5677bc1f9

23211000313 has 4 divisors (see below), whose sum is σ = 23423945380. Its totient is φ = 22998055248.

The previous prime is 23211000301. The next prime is 23211000341. The reversal of 23211000313 is 31300011232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11201470569 + 12009529744 = 105837^2 + 109588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23211000313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23211000353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106472370 + ... + 106472587.

It is an arithmetic number, because the mean of its divisors is an integer number (5855986345).

Almost surely, 223211000313 is an apocalyptic number.

It is an amenable number.

23211000313 is a deficient number, since it is larger than the sum of its proper divisors (212945067).

23211000313 is a wasteful number, since it uses less digits than its factorization.

23211000313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212945066.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 23211000313 its reverse (31300011232), we get a palindrome (54511011545).

The spelling of 23211000313 in words is "twenty-three billion, two hundred eleven million, three hundred thirteen", and thus it is an aban number.

Divisors: 1 109 212944957 23211000313