231102017 has 2 divisors, whose sum is σ = 231102018. Its totient is φ = 231102016.

The previous prime is 231101989. The next prime is 231102023. The reversal of 231102017 is 710201132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231009601 + 92416 = 15199^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 231102017 - 2²² = 226907713 is a prime.

It is a super-2 number, since 2×231102017² = 106816284522936578, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 231101986 and 231102004.

It is not a weakly prime, because it can be changed into another prime (231102077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115551008 + 115551009.

It is an arithmetic number, because the mean of its divisors is an integer number (115551009).

Almost surely, 2^231102017 is an apocalyptic number.

It is an amenable number.

231102017 is a deficient number, since it is larger than the sum of its proper divisors (1).

231102017 is an equidigital number, since it uses as much as digits as its factorization.

231102017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 231102017 is about 15202.0398960140. The cubic root of 231102017 is about 613.6695560892.

Adding to 231102017 its reverse (710201132), we get a palindrome (941303149).

The spelling of 231102017 in words is "two hundred thirty-one million, one hundred two thousand, seventeen".