210205453313 has 8 divisors (see below), whose sum is σ = 212384197032. Its totient is φ = 208026948096.

The previous prime is 210205453307. The next prime is 210205453321. The reversal of 210205453313 is 313354502012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 156264461809 + 53940991504 = 395303^2 + 232252^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210205453313 - 2³⁰ = 209131711489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210205453343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2124131 + ... + 2220887.

It is an arithmetic number, because the mean of its divisors is an integer number (26548024629).

Almost surely, 2^210205453313 is an apocalyptic number.

It is an amenable number.

210205453313 is a deficient number, since it is larger than the sum of its proper divisors (2178743719).

210205453313 is an equidigital number, since it uses as much as digits as its factorization.

210205453313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119251.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 210205453313 its reverse (313354502012), we get a palindrome (523559955325).

The spelling of 210205453313 in words is "two hundred ten billion, two hundred five million, four hundred fifty-three thousand, three hundred thirteen".