2001303120133 has 4 divisors (see below), whose sum is σ = 2119026833100. Its totient is φ = 1883579407168.

The previous prime is 2001303120083. The next prime is 2001303120149. The reversal of 2001303120133 is 3310213031002.

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 1549883073249 + 451420046884 = 1244943^2 + 671878^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001303120133 - 2²⁹ = 2000766249221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2001303120133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001303120233) 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, 58861856458 + ... + 58861856491.

It is an arithmetic number, because the mean of its divisors is an integer number (529756708275).

Almost surely, 2^{2001303120133} is an apocalyptic number.

It is an amenable number.

2001303120133 is a deficient number, since it is larger than the sum of its proper divisors (117723712967).

2001303120133 is a wasteful number, since it uses less digits than its factorization.

2001303120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117723712966.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 2001303120133 its reverse (3310213031002), we get a palindrome (5311516151135).

The spelling of 2001303120133 in words is "two trillion, one billion, three hundred three million, one hundred twenty thousand, one hundred thirty-three".