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20314242313 = 39195183527
BaseRepresentation
bin10010111010110100…
…101011110100001001
31221102201211102122221
4102322310223310021
5313100421223223
613155432414041
71316256132151
oct227264536411
957381742587
1020314242313
118684950a12
123b2b247321
131bb9821231
14da9d25761
157dd63eb5d
hex4bad2bd09

20314242313 has 4 divisors (see below), whose sum is σ = 20319429760. Its totient is φ = 20309054868.

The previous prime is 20314242307. The next prime is 20314242343. The reversal of 20314242313 is 31324241302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20314242313 - 225 = 20280687881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20314242343) 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, 2587845 + ... + 2595682.

It is an arithmetic number, because the mean of its divisors is an integer number (5079857440).

Almost surely, 220314242313 is an apocalyptic number.

It is an amenable number.

20314242313 is a deficient number, since it is larger than the sum of its proper divisors (5187447).

20314242313 is an equidigital number, since it uses as much as digits as its factorization.

20314242313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187446.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20314242313 its reverse (31324241302), we get a palindrome (51638483615).

The spelling of 20314242313 in words is "twenty billion, three hundred fourteen million, two hundred forty-two thousand, three hundred thirteen".

Divisors: 1 3919 5183527 20314242313