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220002133223031 = 31732273259572993
BaseRepresentation
bin110010000001011100111101…
…000000000010011001110111
31001211221222221221010112002120
4302001130331000002121313
5212314003332101114111
62055523330150011023
764224425644414515
oct6201347500023167
91054858857115076
10220002133223031
1164110420840425
1220811a79346a73
13959b15c4c3763
143c482352d94b5
151a67b61351406
hexc8173d002677

220002133223031 has 32 divisors (see below), whose sum is σ = 296422906302720. Its totient is φ = 145133116176384.

The previous prime is 220002133222997. The next prime is 220002133223077. The reversal of 220002133223031 is 130322331200022.

It is not a de Polignac number, because 220002133223031 - 211 = 220002133220983 is a prime.

It is a super-2 number, since 2×2200021332230312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220002133222992 and 220002133223010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220002133233031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383666071 + ... + 384239063.

It is an arithmetic number, because the mean of its divisors is an integer number (9263215821960).

Almost surely, 2220002133223031 is an apocalyptic number.

220002133223031 is a deficient number, since it is larger than the sum of its proper divisors (76420773079689).

220002133223031 is a wasteful number, since it uses less digits than its factorization.

220002133223031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576655.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 220002133223031 its reverse (130322331200022), we get a palindrome (350324464423053).

The spelling of 220002133223031 in words is "two hundred twenty trillion, two billion, one hundred thirty-three million, two hundred twenty-three thousand, thirty-one".

Divisors: 1 3 173 227 519 681 3259 9777 39271 117813 563807 572993 739793 1691421 1718979 2219379 99127789 127984189 130069411 297383367 383952567 390208233 1867384187 5602152561 22502008103 67506024309 323057464351 423896210449 969172393053 1271688631347 73334044407677 220002133223031