201010310209 has 4 divisors (see below), whose sum is σ = 211589800240. Its totient is φ = 190430820180.

The previous prime is 201010310201. The next prime is 201010310269. The reversal of 201010310209 is 902013010102.

201010310209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201010310209 - 2³ = 201010310201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 10579490011 = 201010310209 / (2 + 0 + 1 + 0 + 1 + 0 + 3 + 1 + 0 + 2 + 0 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201010310201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5289744987 + ... + 5289745024.

It is an arithmetic number, because the mean of its divisors is an integer number (52897450060).

Almost surely, 2^201010310209 is an apocalyptic number.

It is an amenable number.

201010310209 is a deficient number, since it is larger than the sum of its proper divisors (10579490031).

201010310209 is a wasteful number, since it uses less digits than its factorization.

201010310209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579490030.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 201010310209 in words is "two hundred one billion, ten million, three hundred ten thousand, two hundred nine".