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30320231303 = 113268320631
BaseRepresentation
bin11100001111001110…
…100000001110000111
32220021001212100010202
4130033032200032013
5444043434400203
621532351441115
72122235466545
oct341716401607
986231770122
1030320231303
1111949a865aa
125a6222619b
132b2282768b
141678ba6d95
15bc6cd2388
hex70f3a0387

30320231303 has 4 divisors (see below), whose sum is σ = 30588552048. Its totient is φ = 30051910560.

The previous prime is 30320231273. The next prime is 30320231311. The reversal of 30320231303 is 30313202303.

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

It is a cyclic number.

It is not a de Polignac number, because 30320231303 - 212 = 30320227207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320231503) 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 3 ways as a sum of consecutive naturals, for example, 134160203 + ... + 134160428.

It is an arithmetic number, because the mean of its divisors is an integer number (7647138012).

Almost surely, 230320231303 is an apocalyptic number.

30320231303 is a deficient number, since it is larger than the sum of its proper divisors (268320745).

30320231303 is a wasteful number, since it uses less digits than its factorization.

30320231303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268320744.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30320231303 its reverse (30313202303), we get a palindrome (60633433606).

The spelling of 30320231303 in words is "thirty billion, three hundred twenty million, two hundred thirty-one thousand, three hundred three".

Divisors: 1 113 268320631 30320231303