20101020230311 has 8 divisors (see below), whose sum is σ = 20105674493184. Its totient is φ = 20096366354400.

The previous prime is 20101020230309. The next prime is 20101020230321. The reversal of 20101020230311 is 11303202010102.

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 20101020230311 - 2¹ = 20101020230309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101020230321) 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, 120856570 + ... + 121022776.

It is an arithmetic number, because the mean of its divisors is an integer number (2513209311648).

Almost surely, 2^{20101020230311} is an apocalyptic number.

20101020230311 is a deficient number, since it is larger than the sum of its proper divisors (4654262873).

20101020230311 is a wasteful number, since it uses less digits than its factorization.

20101020230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193481.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20101020230311 its reverse (11303202010102), we get a palindrome (31404222240413).

The spelling of 20101020230311 in words is "twenty trillion, one hundred one billion, twenty million, two hundred thirty thousand, three hundred eleven".