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20031303101223 = 310961257807649
BaseRepresentation
bin1001000110111111001101…
…01101001010101100100111
32121220222021221202210212010
410203133212231022230213
510111143102043214343
6110334130440125303
74135133236005441
oct443374655125447
977828257683763
1020031303101223
116423256427327
1222b624aa66833
13b23c3662b53b
144d373d793491
1524b0d80b3d33
hex1237e6b4ab27

20031303101223 has 8 divisors (see below), whose sum is σ = 26953435366000. Its totient is φ = 13231686451968.

The previous prime is 20031303101123. The next prime is 20031303101291. The reversal of 20031303101223 is 32210130313002.

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

It is not a de Polignac number, because 20031303101223 - 28 = 20031303100967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20031303101223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031303101123) 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, 30628903498 + ... + 30628904151.

It is an arithmetic number, because the mean of its divisors is an integer number (3369179420750).

Almost surely, 220031303101223 is an apocalyptic number.

20031303101223 is a deficient number, since it is larger than the sum of its proper divisors (6922132264777).

20031303101223 is a wasteful number, since it uses less digits than its factorization.

20031303101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61257807761.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20031303101223 its reverse (32210130313002), we get a palindrome (52241433414225).

The spelling of 20031303101223 in words is "twenty trillion, thirty-one billion, three hundred three million, one hundred one thousand, two hundred twenty-three".

Divisors: 1 3 109 327 61257807649 183773422947 6677101033741 20031303101223