20313102231101 has 2 divisors, whose sum is σ = 20313102231102. Its totient is φ = 20313102231100.

The previous prime is 20313102231049. The next prime is 20313102231109. The reversal of 20313102231101 is 10113220131302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14632721175076 + 5680381056025 = 3825274^2 + 2383355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20313102231101 is a prime.

It is a super-3 number, since 3×20313102231101³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20313102231109) 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, 10156551115550 + 10156551115551.

It is an arithmetic number, because the mean of its divisors is an integer number (10156551115551).

Almost surely, 2^{20313102231101} is an apocalyptic number.

It is an amenable number.

20313102231101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313102231101 is an equidigital number, since it uses as much as digits as its factorization.

20313102231101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20313102231101 its reverse (10113220131302), we get a palindrome (30426322362403).

The spelling of 20313102231101 in words is "twenty trillion, three hundred thirteen billion, one hundred two million, two hundred thirty-one thousand, one hundred one".