210314231609 has 2 divisors, whose sum is σ = 210314231610. Its totient is φ = 210314231608.

The previous prime is 210314231599. The next prime is 210314231693. The reversal of 210314231609 is 906132413012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208298221609 + 2016010000 = 456397^2 + 44900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210314231609 is a prime.

It is not a weakly prime, because it can be changed into another prime (210314231509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105157115804 + 105157115805.

It is an arithmetic number, because the mean of its divisors is an integer number (105157115805).

Almost surely, 2^210314231609 is an apocalyptic number.

It is an amenable number.

210314231609 is a deficient number, since it is larger than the sum of its proper divisors (1).

210314231609 is an equidigital number, since it uses as much as digits as its factorization.

210314231609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 210314231609 in words is "two hundred ten billion, three hundred fourteen million, two hundred thirty-one thousand, six hundred nine".