2001313103833 has 2 divisors, whose sum is σ = 2001313103834. Its totient is φ = 2001313103832.

The previous prime is 2001313103773. The next prime is 2001313103891. The reversal of 2001313103833 is 3383013131002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1822103121609 + 179209982224 = 1349853^2 + 423332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001313103833 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001313101833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000656551916 + 1000656551917.

It is an arithmetic number, because the mean of its divisors is an integer number (1000656551917).

Almost surely, 2^{2001313103833} is an apocalyptic number.

It is an amenable number.

2001313103833 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001313103833 is an equidigital number, since it uses as much as digits as its factorization.

2001313103833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 2001313103833 its reverse (3383013131002), we get a palindrome (5384326234835).

The spelling of 2001313103833 in words is "two trillion, one billion, three hundred thirteen million, one hundred three thousand, eight hundred thirty-three".