2001031301 has 4 divisors (see below), whose sum is σ = 2001164172. Its totient is φ = 2000898432.

The previous prime is 2001031297. The next prime is 2001031309. The reversal of 2001031301 is 1031301002.

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 1675264900 + 325766401 = 40930^2 + 18049^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001031301 - 2² = 2001031297 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 (2001031309) 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, 40460 + ... + 75093.

It is an arithmetic number, because the mean of its divisors is an integer number (500291043).

Almost surely, 2^2001031301 is an apocalyptic number.

It is an amenable number.

2001031301 is a deficient number, since it is larger than the sum of its proper divisors (132871).

2001031301 is a wasteful number, since it uses less digits than its factorization.

2001031301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132870.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 2001031301 is about 44732.8883596845. Note that the first 3 decimals coincide. The cubic root of 2001031301 is about 1260.1375723223.

Adding to 2001031301 its reverse (1031301002), we get a palindrome (3032332303).

The spelling of 2001031301 in words is "two billion, one million, thirty-one thousand, three hundred one".