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30231102061 is a prime number
BaseRepresentation
bin11100001001111010…
…100000001001101101
32220000212011002210201
4130021322200021231
5443403130231221
621515445233501
72120104061536
oct341172401155
986025132721
1030231102061
111190373a476
125a38402891
132b0a21bb94
14166b00568d
15bbe078891
hex709ea026d

30231102061 has 2 divisors, whose sum is σ = 30231102062. Its totient is φ = 30231102060.

The previous prime is 30231102049. The next prime is 30231102127. The reversal of 30231102061 is 16020113203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28692972100 + 1538129961 = 169390^2 + 39219^2 .

It is a cyclic number.

It is not a de Polignac number, because 30231102061 - 213 = 30231093869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30231102761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115551030 + 15115551031.

It is an arithmetic number, because the mean of its divisors is an integer number (15115551031).

Almost surely, 230231102061 is an apocalyptic number.

It is an amenable number.

30231102061 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231102061 is an equidigital number, since it uses as much as digits as its factorization.

30231102061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30231102061 its reverse (16020113203), we get a palindrome (46251215264).

The spelling of 30231102061 in words is "thirty billion, two hundred thirty-one million, one hundred two thousand, sixty-one".