201313331333 has 4 divisors (see below), whose sum is σ = 202040094540. Its totient is φ = 200586568128.

The previous prime is 201313331311. The next prime is 201313331347. The reversal of 201313331333 is 333133313102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75672857569 + 125640473764 = 275087^2 + 354458^2 .

It is a cyclic number.

It is not a de Polignac number, because 201313331333 - 2²⁴ = 201296554117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201313391333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363381188 + ... + 363381741.

It is an arithmetic number, because the mean of its divisors is an integer number (50510023635).

Almost surely, 2^201313331333 is an apocalyptic number.

It is an amenable number.

201313331333 is a deficient number, since it is larger than the sum of its proper divisors (726763207).

201313331333 is an equidigital number, since it uses as much as digits as its factorization.

201313331333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726763206.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 201313331333 its reverse (333133313102), we get a palindrome (534446644435).

The spelling of 201313331333 in words is "two hundred one billion, three hundred thirteen million, three hundred thirty-one thousand, three hundred thirty-three".