20010000100331 has 2 divisors, whose sum is σ = 20010000100332. Its totient is φ = 20010000100330.

The previous prime is 20010000100301. The next prime is 20010000100333. The reversal of 20010000100331 is 13300100001002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20010000100331 - 2⁶ = 20010000100267 is a prime.

It is a super-2 number, since 2×20010000100331² (a number of 27 digits) contains 22 as substring.

Together with 20010000100333, 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 (20010000100333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005000050165 + 10005000050166.

It is an arithmetic number, because the mean of its divisors is an integer number (10005000050166).

Almost surely, 2^{20010000100331} is an apocalyptic number.

20010000100331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010000100331 is an equidigital number, since it uses as much as digits as its factorization.

20010000100331 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.

Adding to 20010000100331 its reverse (13300100001002), we get a palindrome (33310100101333).

The spelling of 20010000100331 in words is "twenty trillion, ten billion, one hundred thousand, three hundred thirty-one".