390230101 has 2 divisors, whose sum is σ = 390230102. Its totient is φ = 390230100.

The previous prime is 390230089. The next prime is 390230111. The reversal of 390230101 is 101032093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360962001 + 29268100 = 18999^2 + 5410^2 .

It is a cyclic number.

It is not a de Polignac number, because 390230101 - 2⁹ = 390229589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390230111) 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, 195115050 + 195115051.

It is an arithmetic number, because the mean of its divisors is an integer number (195115051).

Almost surely, 2^390230101 is an apocalyptic number.

It is an amenable number.

390230101 is a deficient number, since it is larger than the sum of its proper divisors (1).

390230101 is an equidigital number, since it uses as much as digits as its factorization.

390230101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 390230101 is about 19754.2426076020. The cubic root of 390230101 is about 730.7580172715.

Adding to 390230101 its reverse (101032093), we get a palindrome (491262194).

The spelling of 390230101 in words is "three hundred ninety million, two hundred thirty thousand, one hundred one".