20310161006311 has 8 divisors (see below), whose sum is σ = 22157598588048. Its totient is φ = 18462899976000.

The previous prime is 20310161006297. The next prime is 20310161006323. The reversal of 20310161006311 is 11360016101302.

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 20310161006311 - 2¹⁹ = 20310160482023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310161016311) 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, 43897260 + ... + 44357521.

It is an arithmetic number, because the mean of its divisors is an integer number (2769699823506).

Almost surely, 2^{20310161006311} is an apocalyptic number.

20310161006311 is a deficient number, since it is larger than the sum of its proper divisors (1847437581737).

20310161006311 is a wasteful number, since it uses less digits than its factorization.

20310161006311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88275713.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 20310161006311 its reverse (11360016101302), we get a palindrome (31670177107613).

The spelling of 20310161006311 in words is "twenty trillion, three hundred ten billion, one hundred sixty-one million, six thousand, three hundred eleven".