20310320311 has 8 divisors (see below), whose sum is σ = 20333457648. Its totient is φ = 20287200000.

The previous prime is 20310320299. The next prime is 20310320321. The reversal of 20310320311 is 11302301302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20310320311 - 2¹¹ = 20310318263 is a prime.

It is a super-2 number, since 2×20310320311² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310320321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5074311 + ... + 5078311.

It is an arithmetic number, because the mean of its divisors is an integer number (2541682206).

Almost surely, 2^20310320311 is an apocalyptic number.

20310320311 is a deficient number, since it is larger than the sum of its proper divisors (23137337).

20310320311 is a wasteful number, since it uses less digits than its factorization.

20310320311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8513.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20310320311 its reverse (11302301302), we get a palindrome (31612621613).

The spelling of 20310320311 in words is "twenty billion, three hundred ten million, three hundred twenty thousand, three hundred eleven".