20300320131031 has 2 divisors, whose sum is σ = 20300320131032. Its totient is φ = 20300320131030.

The previous prime is 20300320131011. The next prime is 20300320131037. The reversal of 20300320131031 is 13013102300302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20300320131031 - 2³¹ = 20298172647383 is a prime.

It is a super-2 number, since 2×20300320131031² (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 (20300320131037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150160065515 + 10150160065516.

It is an arithmetic number, because the mean of its divisors is an integer number (10150160065516).

Almost surely, 2^{20300320131031} is an apocalyptic number.

20300320131031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20300320131031 is an equidigital number, since it uses as much as digits as its factorization.

20300320131031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20300320131031 its reverse (13013102300302), we get a palindrome (33313422431333).

The spelling of 20300320131031 in words is "twenty trillion, three hundred billion, three hundred twenty million, one hundred thirty-one thousand, thirty-one".