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20313400341 = 3131074867817
BaseRepresentation
bin10010111010110001…
…011110010000010101
31221102200020122200210
4102322301132100111
5313100212302331
613155402400033
71316246024343
oct227261362025
957380218623
1020313400341
118684426373
123b2ab00019
131bb95b7c20
14da9b86993
157dd525446
hex4bac5e415

20313400341 has 16 divisors (see below), whose sum is σ = 29440563264. Its totient is φ = 12383723904.

The previous prime is 20313400333. The next prime is 20313400363. The reversal of 20313400341 is 14300431302.

It is not a de Polignac number, because 20313400341 - 23 = 20313400333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313400381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2429736 + ... + 2438081.

It is an arithmetic number, because the mean of its divisors is an integer number (1840035204).

Almost surely, 220313400341 is an apocalyptic number.

It is an amenable number.

20313400341 is a deficient number, since it is larger than the sum of its proper divisors (9127162923).

20313400341 is a wasteful number, since it uses less digits than its factorization.

20313400341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4867940.

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

Adding to 20313400341 its reverse (14300431302), we get a palindrome (34613831643).

The spelling of 20313400341 in words is "twenty billion, three hundred thirteen million, four hundred thousand, three hundred forty-one".

Divisors: 1 3 13 39 107 321 1391 4173 4867817 14603451 63281621 189844863 520856419 1562569257 6771133447 20313400341