2001301231 has 4 divisors (see below), whose sum is σ = 2088314352. Its totient is φ = 1914288112.

The previous prime is 2001301199. The next prime is 2001301241. The reversal of 2001301231 is 1321031002.

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

It is a cyclic number.

It is not a de Polignac number, because 2001301231 - 2⁵ = 2001301199 is a prime.

It is a super-2 number, since 2×2001301231² = 8010413234404230722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001301241) 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, 43506526 + ... + 43506571.

It is an arithmetic number, because the mean of its divisors is an integer number (522078588).

Almost surely, 2^2001301231 is an apocalyptic number.

2001301231 is a deficient number, since it is larger than the sum of its proper divisors (87013121).

2001301231 is an equidigital number, since it uses as much as digits as its factorization.

2001301231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87013120.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2001301231 is about 44735.9053892955. The cubic root of 2001301231 is about 1260.1942320459.

Adding to 2001301231 its reverse (1321031002), we get a palindrome (3322332233).

The spelling of 2001301231 in words is "two billion, one million, three hundred one thousand, two hundred thirty-one".