20031102001 has 2 divisors, whose sum is σ = 20031102002. Its totient is φ = 20031102000.

The previous prime is 20031101953. The next prime is 20031102029. The reversal of 20031102001 is 10020113002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18312584976 + 1718517025 = 135324^2 + 41455^2 .

It is a cyclic number.

It is not a de Polignac number, because 20031102001 - 2⁷ = 20031101873 is a prime.

It is not a weakly prime, because it can be changed into another prime (20031102031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015551000 + 10015551001.

It is an arithmetic number, because the mean of its divisors is an integer number (10015551001).

Almost surely, 2^20031102001 is an apocalyptic number.

It is an amenable number.

20031102001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20031102001 is an equidigital number, since it uses as much as digits as its factorization.

20031102001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20031102001 its reverse (10020113002), we get a palindrome (30051215003).

The spelling of 20031102001 in words is "twenty billion, thirty-one million, one hundred two thousand, one".