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30302311011321 = 3311399232903003
BaseRepresentation
bin1101110001111010011100…
…11110111101001111111001
310222021212120011012022210010
412320331032132331033321
512432433113104330241
6144240404533212133
76245161341524106
oct670751636751771
9128255504168703
1030302311011321
11972315764a368
12349495a791049
1313ba659c99c7b
1476a8d53c5aad
153783752d1d16
hex1b8f4e7bd3f9

30302311011321 has 16 divisors (see below), whose sum is σ = 41736218316800. Its totient is φ = 19535903807760.

The previous prime is 30302311011317. The next prime is 30302311011361. The reversal of 30302311011321 is 12311011320303.

It is a happy number.

It is not a de Polignac number, because 30302311011321 - 22 = 30302311011317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30302311011361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116321395 + ... + 116581608.

It is an arithmetic number, because the mean of its divisors is an integer number (2608513644800).

Almost surely, 230302311011321 is an apocalyptic number.

30302311011321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30302311011321 is a deficient number, since it is larger than the sum of its proper divisors (11433907305479).

30302311011321 is a wasteful number, since it uses less digits than its factorization.

30302311011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232904436.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 30302311011321 its reverse (12311011320303), we get a palindrome (42613322331624).

The spelling of 30302311011321 in words is "thirty trillion, three hundred two billion, three hundred eleven million, eleven thousand, three hundred twenty-one".

Divisors: 1 3 31 93 1399 4197 43369 130107 232903003 698709009 7219993093 21659979279 325831301197 977493903591 10100770337107 30302311011321