201133311331333 has 4 divisors (see below), whose sum is σ = 201467975743468. Its totient is φ = 200798646919200.

The previous prime is 201133311331259. The next prime is 201133311331367. The reversal of 201133311331333 is 333133113331102.

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 161211726698724 + 39921584632609 = 12696918^2 + 6318353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201133311331333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201133311331295 and 201133311331304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201133311332333) 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, 167332205166 + ... + 167332206367.

It is an arithmetic number, because the mean of its divisors is an integer number (50366993935867).

Almost surely, 2^{201133311331333} is an apocalyptic number.

It is an amenable number.

201133311331333 is a deficient number, since it is larger than the sum of its proper divisors (334664412135).

201133311331333 is an equidigital number, since it uses as much as digits as its factorization.

201133311331333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334664412134.

The product of its (nonzero) digits is 13122, while the sum is 31.

Adding to 201133311331333 its reverse (333133113331102), we get a palindrome (534266424662435).

The spelling of 201133311331333 in words is "two hundred one trillion, one hundred thirty-three billion, three hundred eleven million, three hundred thirty-one thousand, three hundred thirty-three".