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31024220201322 = 2343791522138171
BaseRepresentation
bin1110000110111011000111…
…00111111110000101101010
311001211212221020200220002120
413003131203213332011222
513031300100332420242
6145552155140412110
76351266045431125
oct703354347760552
9131755836626076
1031024220201322
11998133055a757
1235908506a7036
13144075751235a
1479381a38d3bc
1538c027a2b1ec
hex1c37639fe16a

31024220201322 has 32 divisors (see below), whose sum is σ = 64295116385280. Its totient is φ = 9973049289840.

The previous prime is 31024220201281. The next prime is 31024220201399. The reversal of 31024220201322 is 22310202242013.

It is a junction number, because it is equal to n+sod(n) for n = 31024220201292 and 31024220201301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761048704 + ... + 761089467.

It is an arithmetic number, because the mean of its divisors is an integer number (2009222387040).

Almost surely, 231024220201322 is an apocalyptic number.

31024220201322 is an abundant number, since it is smaller than the sum of its proper divisors (33270896183958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31024220201322 is a wasteful number, since it uses less digits than its factorization.

31024220201322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522138298.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 31024220201322 its reverse (22310202242013), we get a palindrome (53334422443335).

The spelling of 31024220201322 in words is "thirty-one trillion, twenty-four billion, two hundred twenty million, two hundred one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 43 79 86 129 158 237 258 474 3397 6794 10191 20382 1522138171 3044276342 4566414513 9132829026 65451941353 120248915509 130903882706 196355824059 240497831018 360746746527 392711648118 721493493054 5170703366887 10341406733774 15512110100661 31024220201322