20312011310101 has 16 divisors (see below), whose sum is σ = 23661388721664. Its totient is φ = 17074817794944.

The previous prime is 20312011310047. The next prime is 20312011310111. The reversal of 20312011310101 is 10101311021302.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-20312011310101 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 (20312011310111) 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, 10279200 + ... + 12094873.

It is an arithmetic number, because the mean of its divisors is an integer number (1478836795104).

Almost surely, 2^{20312011310101} is an apocalyptic number.

It is an amenable number.

20312011310101 is a deficient number, since it is larger than the sum of its proper divisors (3349377411563).

20312011310101 is a wasteful number, since it uses less digits than its factorization.

20312011310101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22376580.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 20312011310101 its reverse (10101311021302), we get a palindrome (30413322331403).

The spelling of 20312011310101 in words is "twenty trillion, three hundred twelve billion, eleven million, three hundred ten thousand, one hundred one".