20310314320061 has 16 divisors (see below), whose sum is σ = 21407933847600. Its totient is φ = 19239207955968.

The previous prime is 20310314320031. The next prime is 20310314320063. The reversal of 20310314320061 is 16002341301302.

It can be written as a sum of positive squares in 8 ways, for example, as 9098029494436 + 11212284825625 = 3016294^2 + 3348475^2 .

It is a cyclic number.

It is not a de Polignac number, because 20310314320061 - 2²⁶ = 20310247211197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20310314320061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310314320063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41280575 + ... + 41769683.

It is an arithmetic number, because the mean of its divisors is an integer number (1337995865475).

Almost surely, 2^{20310314320061} is an apocalyptic number.

It is an amenable number.

20310314320061 is a deficient number, since it is larger than the sum of its proper divisors (1097619527539).

20310314320061 is a wasteful number, since it uses less digits than its factorization.

20310314320061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516208.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20310314320061 its reverse (16002341301302), we get a palindrome (36312655621363).

The spelling of 20310314320061 in words is "twenty trillion, three hundred ten billion, three hundred fourteen million, three hundred twenty thousand, sixty-one".