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30320331303 = 310106777101
BaseRepresentation
bin11100001111001110…
…111000101000100111
32220021002001102022110
4130033032320220213
5444044001100203
621532353532103
72122236364233
oct341716705047
986232042273
1030320331303
111194a044749
125a62274033
132b22861052
141678bd15c3
15bc6d01d03
hex70f3b8a27

30320331303 has 4 divisors (see below), whose sum is σ = 40427108408. Its totient is φ = 20213554200.

The previous prime is 30320331289. The next prime is 30320331359. The reversal of 30320331303 is 30313302303.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30320331303 - 24 = 30320331287 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 30320331303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320331203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5053388548 + ... + 5053388553.

It is an arithmetic number, because the mean of its divisors is an integer number (10106777102).

Almost surely, 230320331303 is an apocalyptic number.

30320331303 is a deficient number, since it is larger than the sum of its proper divisors (10106777105).

30320331303 is a wasteful number, since it uses less digits than its factorization.

30320331303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106777104.

The product of its (nonzero) digits is 1458, while the sum is 21.

Adding to 30320331303 its reverse (30313302303), we get a palindrome (60633633606).

The spelling of 30320331303 in words is "thirty billion, three hundred twenty million, three hundred thirty-one thousand, three hundred three".

Divisors: 1 3 10106777101 30320331303