230102020117 has 2 divisors, whose sum is σ = 230102020118. Its totient is φ = 230102020116.

The previous prime is 230102020073. The next prime is 230102020147. The reversal of 230102020117 is 711020201032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171208923076 + 58893097041 = 413774^2 + 242679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230102020117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230102020094 and 230102020103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230102020147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115051010058 + 115051010059.

It is an arithmetic number, because the mean of its divisors is an integer number (115051010059).

Almost surely, 2^230102020117 is an apocalyptic number.

It is an amenable number.

230102020117 is a deficient number, since it is larger than the sum of its proper divisors (1).

230102020117 is an equidigital number, since it uses as much as digits as its factorization.

230102020117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 230102020117 its reverse (711020201032), we get a palindrome (941122221149).

The spelling of 230102020117 in words is "two hundred thirty billion, one hundred two million, twenty thousand, one hundred seventeen".