2001310401 has 4 divisors (see below), whose sum is σ = 2668413872. Its totient is φ = 1334206932.

The previous prime is 2001310357. The next prime is 2001310417. The reversal of 2001310401 is 1040131002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2001310401 - 2⁷ = 2001310273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001310471) 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, 333551731 + ... + 333551736.

It is an arithmetic number, because the mean of its divisors is an integer number (667103468).

Almost surely, 2^2001310401 is an apocalyptic number.

It is an amenable number.

2001310401 is a deficient number, since it is larger than the sum of its proper divisors (667103471).

2001310401 is an equidigital number, since it uses as much as digits as its factorization.

2001310401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667103470.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2001310401 is about 44736.0078795594. The cubic root of 2001310401 is about 1260.1961567875.

Adding to 2001310401 its reverse (1040131002), we get a palindrome (3041441403).

The spelling of 2001310401 in words is "two billion, one million, three hundred ten thousand, four hundred one".