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20302321103311 = 131561717007947
BaseRepresentation
bin1001001110111000000001…
…01000110011000111001111
32122212212211122221210120011
410213130000220303013033
510130113123200301221
6111102431344334051
74163536305011302
oct447340050630717
978785748853504
1020302321103311
116518190a89635
12233a886314327
13b43667c66150
145028cd762b39
1525319b1d41e1
hex127700a331cf

20302321103311 has 4 divisors (see below), whose sum is σ = 21864038111272. Its totient is φ = 18740604095352.

The previous prime is 20302321103293. The next prime is 20302321103357. The reversal of 20302321103311 is 11330112320302.

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

It is a cyclic number.

It is not a de Polignac number, because 20302321103311 - 221 = 20302319006159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302321103371) 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, 780858503961 + ... + 780858503986.

It is an arithmetic number, because the mean of its divisors is an integer number (5466009527818).

Almost surely, 220302321103311 is an apocalyptic number.

20302321103311 is a deficient number, since it is larger than the sum of its proper divisors (1561717007961).

20302321103311 is a wasteful number, since it uses less digits than its factorization.

20302321103311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561717007960.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20302321103311 its reverse (11330112320302), we get a palindrome (31632433423613).

The spelling of 20302321103311 in words is "twenty trillion, three hundred two billion, three hundred twenty-one million, one hundred three thousand, three hundred eleven".

Divisors: 1 13 1561717007947 20302321103311