2001232313 has 8 divisors (see below), whose sum is σ = 2033625408. Its totient is φ = 1968913584.

The previous prime is 2001232297. The next prime is 2001232327. The reversal of 2001232313 is 3132321002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001232313 - 2⁴ = 2001232297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001232291 and 2001232300.

It is not an unprimeable number, because it can be changed into a prime (2001232393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36995 + ... + 73287.

It is an arithmetic number, because the mean of its divisors is an integer number (254203176).

Almost surely, 2^2001232313 is an apocalyptic number.

It is an amenable number.

2001232313 is a deficient number, since it is larger than the sum of its proper divisors (32393095).

2001232313 is an equidigital number, since it uses as much as digits as its factorization.

2001232313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37183.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2001232313 is about 44735.1351065357. The cubic root of 2001232313 is about 1260.1797662803.

Adding to 2001232313 its reverse (3132321002), we get a palindrome (5133553315).

It can be divided in two parts, 20012 and 32313, that added together give a palindrome (52325).

The spelling of 2001232313 in words is "two billion, one million, two hundred thirty-two thousand, three hundred thirteen".