2101331003 has 12 divisors (see below), whose sum is σ = 2139427968. Its totient is φ = 2063851440.

The previous prime is 2101330999. The next prime is 2101331017. The reversal of 2101331003 is 3001331012.

It is not a de Polignac number, because 2101331003 - 2² = 2101330999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101391003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1315001 + ... + 1316597.

It is an arithmetic number, because the mean of its divisors is an integer number (178285664).

Almost surely, 2^2101331003 is an apocalyptic number.

2101331003 is a deficient number, since it is larger than the sum of its proper divisors (38096965).

2101331003 is an equidigital number, since it uses as much as digits as its factorization.

2101331003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 2101331003 is about 45840.2770824959. The cubic root of 2101331003 is about 1280.8496562155.

Adding to 2101331003 its reverse (3001331012), we get a palindrome (5102662015).

Subtracting 2101331003 from its reverse (3001331012), we obtain a palindrome (900000009).

The spelling of 2101331003 in words is "two billion, one hundred one million, three hundred thirty-one thousand, three".