20112311310131 has 8 divisors (see below), whose sum is σ = 20221716256704. Its totient is φ = 20003088859240.

The previous prime is 20112311310109. The next prime is 20112311310151. The reversal of 20112311310131 is 13101311321102.

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 20112311310131 - 2¹⁴ = 20112311293747 is a prime.

It is a super-2 number, since 2×20112311310131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112311310151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45402905 + ... + 45843738.

It is an arithmetic number, because the mean of its divisors is an integer number (2527714532088).

Almost surely, 2^{20112311310131} is an apocalyptic number.

20112311310131 is a deficient number, since it is larger than the sum of its proper divisors (109404946573).

20112311310131 is an equidigital number, since it uses as much as digits as its factorization.

20112311310131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91247841.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 20112311310131 its reverse (13101311321102), we get a palindrome (33213622631233).

The spelling of 20112311310131 in words is "twenty trillion, one hundred twelve billion, three hundred eleven million, three hundred ten thousand, one hundred thirty-one".