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30103213033 is a prime number
BaseRepresentation
bin11100000010010010…
…101001001111101001
32212200221111200001001
4130002102221033221
5443122410304113
621455040155001
72113662042325
oct340222511751
985627450031
1030103213033
111184852a563
125a01608a61
132ab98921ba
141658034985
15bb2c157dd
hex7024a93e9

30103213033 has 2 divisors, whose sum is σ = 30103213034. Its totient is φ = 30103213032.

The previous prime is 30103213031. The next prime is 30103213037. The reversal of 30103213033 is 33031230103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26892064144 + 3211148889 = 163988^2 + 56667^2 .

It is a cyclic number.

It is not a de Polignac number, because 30103213033 - 21 = 30103213031 is a prime.

Together with 30103213031, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30103213033.

It is not a weakly prime, because it can be changed into another prime (30103213031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051606516 + 15051606517.

It is an arithmetic number, because the mean of its divisors is an integer number (15051606517).

Almost surely, 230103213033 is an apocalyptic number.

It is an amenable number.

30103213033 is a deficient number, since it is larger than the sum of its proper divisors (1).

30103213033 is an equidigital number, since it uses as much as digits as its factorization.

30103213033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 30103213033 its reverse (33031230103), we get a palindrome (63134443136).

The spelling of 30103213033 in words is "thirty billion, one hundred three million, two hundred thirteen thousand, thirty-three".