2103031001 has 2 divisors, whose sum is σ = 2103031002. Its totient is φ = 2103031000.

The previous prime is 2103030997. The next prime is 2103031003. The reversal of 2103031001 is 1001303012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2092147600 + 10883401 = 45740^2 + 3299^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103031001 - 2² = 2103030997 is a prime.

Together with 2103031003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2103031003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051515500 + 1051515501.

It is an arithmetic number, because the mean of its divisors is an integer number (1051515501).

Almost surely, 2^2103031001 is an apocalyptic number.

It is an amenable number.

2103031001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103031001 is an equidigital number, since it uses as much as digits as its factorization.

2103031001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 2103031001 is about 45858.8159572399. The cubic root of 2103031001 is about 1281.1949698800.

Adding to 2103031001 its reverse (1001303012), we get a palindrome (3104334013).

The spelling of 2103031001 in words is "two billion, one hundred three million, thirty-one thousand, one".