20031102097 has 2 divisors, whose sum is σ = 20031102098. Its totient is φ = 20031102096.

The previous prime is 20031102059. The next prime is 20031102101. The reversal of 20031102097 is 79020113002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18922478481 + 1108623616 = 137559^2 + 33296^2 .

It is a cyclic number.

It is not a de Polignac number, because 20031102097 - 2¹¹ = 20031100049 is a prime.

It is not a weakly prime, because it can be changed into another prime (20031112097) 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, 10015551048 + 10015551049.

It is an arithmetic number, because the mean of its divisors is an integer number (10015551049).

Almost surely, 2^20031102097 is an apocalyptic number.

It is an amenable number.

20031102097 is a deficient number, since it is larger than the sum of its proper divisors (1).

20031102097 is an equidigital number, since it uses as much as digits as its factorization.

20031102097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 20031102097 its reverse (79020113002), we get a palindrome (99051215099).

The spelling of 20031102097 in words is "twenty billion, thirty-one million, one hundred two thousand, ninety-seven".