20330031113141 has 2 divisors, whose sum is σ = 20330031113142. Its totient is φ = 20330031113140.

The previous prime is 20330031113059. The next prime is 20330031113167. The reversal of 20330031113141 is 14131113003302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15156453410641 + 5173577702500 = 3893129^2 + 2274550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20330031113141 is a prime.

It is a super-2 number, since 2×20330031113141² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20330031113641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165015556570 + 10165015556571.

It is an arithmetic number, because the mean of its divisors is an integer number (10165015556571).

Almost surely, 2^{20330031113141} is an apocalyptic number.

It is an amenable number.

20330031113141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330031113141 is an equidigital number, since it uses as much as digits as its factorization.

20330031113141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20330031113141 its reverse (14131113003302), we get a palindrome (34461144116443).

The spelling of 20330031113141 in words is "twenty trillion, three hundred thirty billion, thirty-one million, one hundred thirteen thousand, one hundred forty-one".