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30311203211122 = 2257503354733053
BaseRepresentation
bin1101110010001011000001…
…00000000000011101110010
310222022201111212102212201111
412321011200200000131302
512433104321010223442
6144244435144023534
76245624605134631
oct671054040003562
9128281455385644
1030311203211122
119726a00001719
123496620761baa
1313bb446305262
1476b0da379518
153786e5cb7b17
hex1b9160800772

30311203211122 has 32 divisors (see below), whose sum is σ = 45748739336832. Its totient is φ = 15061913800704.

The previous prime is 30311203211111. The next prime is 30311203211123. The reversal of 30311203211122 is 22111230211303.

It is a junction number, because it is equal to n+sod(n) for n = 30311203211093 and 30311203211102.

It is not an unprimeable number, because it can be changed into a prime (30311203211123) 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, 917031948 + ... + 917065000.

It is an arithmetic number, because the mean of its divisors is an integer number (1429648104276).

Almost surely, 230311203211122 is an apocalyptic number.

30311203211122 is a deficient number, since it is larger than the sum of its proper divisors (15437536125710).

30311203211122 is a wasteful number, since it uses less digits than its factorization.

30311203211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37362.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 30311203211122 its reverse (22111230211303), we get a palindrome (52422433422425).

The spelling of 30311203211122 in words is "thirty trillion, three hundred eleven billion, two hundred three million, two hundred eleven thousand, one hundred twenty-two".

Divisors: 1 2 257 503 514 1006 3547 7094 33053 66106 129271 258542 911579 1784141 1823158 3568282 8494621 16625659 16989242 33251318 117238991 234477982 458524237 917048474 4272794363 8545588726 30130420687 58971212473 60260841374 117942424946 15155601605561 30311203211122