20331000113 has 2 divisors, whose sum is σ = 20331000114. Its totient is φ = 20331000112.

The previous prime is 20331000061. The next prime is 20331000149. The reversal of 20331000113 is 31100013302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17644340224 + 2686659889 = 132832^2 + 51833^2 .

It is a cyclic number.

It is not a de Polignac number, because 20331000113 - 2¹² = 20330996017 is a prime.

It is not a weakly prime, because it can be changed into another prime (20331002113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165500056 + 10165500057.

It is an arithmetic number, because the mean of its divisors is an integer number (10165500057).

Almost surely, 2^20331000113 is an apocalyptic number.

It is an amenable number.

20331000113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20331000113 is an equidigital number, since it uses as much as digits as its factorization.

20331000113 is an evil number, because the sum of its binary digits is even.

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

Adding to 20331000113 its reverse (31100013302), we get a palindrome (51431013415).

It can be divided in two parts, 20 and 331000113, that added together give a palindrome (331000133).

The spelling of 20331000113 in words is "twenty billion, three hundred thirty-one million, one hundred thirteen", and thus it is an aban number.