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20310230041 = 311493438827
BaseRepresentation
bin10010111010100101…
…011000010000011001
31221102110021120212021
4102322211120100121
5313043404330131
613155210414441
71316210051443
oct227245302031
957373246767
1020310230041
118682660492
123b29a31421
131bb8a47bca
14da959d493
157dd0eae11
hex4ba958419

20310230041 has 8 divisors (see below), whose sum is σ = 20979489024. Its totient is φ = 19641851760.

The previous prime is 20310230029. The next prime is 20310230093. The reversal of 20310230041 is 14003201302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20310230041 - 25 = 20310230009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20310229997 and 20310230024.

It is not an unprimeable number, because it can be changed into a prime (20310230141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173131 + ... + 265696.

It is an arithmetic number, because the mean of its divisors is an integer number (2622436128).

Almost surely, 220310230041 is an apocalyptic number.

It is an amenable number.

20310230041 is a deficient number, since it is larger than the sum of its proper divisors (669258983).

20310230041 is a wasteful number, since it uses less digits than its factorization.

20310230041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440351.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20310230041 its reverse (14003201302), we get a palindrome (34313431343).

The spelling of 20310230041 in words is "twenty billion, three hundred ten million, two hundred thirty thousand, forty-one".

Divisors: 1 31 1493 46283 438827 13603637 655168711 20310230041