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30311210203 = 353383224197
BaseRepresentation
bin11100001110101100…
…000101110011011011
32220020102220000111221
4130032230011303123
5444034132211303
621531430232511
72122066015141
oct341654056333
986212800457
1030311210203
111194498494a
125a5b1b5737
132b209b9551
1416778d9591
15bc60ee4bd
hex70eb05cdb

30311210203 has 8 divisors (see below), whose sum is σ = 30476579328. Its totient is φ = 30146290944.

The previous prime is 30311210159. The next prime is 30311210213. The reversal of 30311210203 is 30201211303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30311210203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30311210213) 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 7 ways as a sum of consecutive naturals, for example, 23101 + ... + 247297.

It is an arithmetic number, because the mean of its divisors is an integer number (3809572416).

Almost surely, 230311210203 is an apocalyptic number.

30311210203 is a deficient number, since it is larger than the sum of its proper divisors (165369125).

30311210203 is a wasteful number, since it uses less digits than its factorization.

30311210203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224933.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30311210203 its reverse (30201211303), we get a palindrome (60512421506).

The spelling of 30311210203 in words is "thirty billion, three hundred eleven million, two hundred ten thousand, two hundred three".

Divisors: 1 353 383 135199 224197 79141541 85867451 30311210203