20112023110331 has 4 divisors (see below), whose sum is σ = 20112152312664. Its totient is φ = 20111893908000.

The previous prime is 20112023110307. The next prime is 20112023110357. The reversal of 20112023110331 is 13301132021102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20112023110331 - 2¹⁸ = 20112022848187 is a prime.

It is a super-2 number, since 2×20112023110331² (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 (20112023110631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64367390 + ... + 64679091.

It is an arithmetic number, because the mean of its divisors is an integer number (5028038078166).

Almost surely, 2^{20112023110331} is an apocalyptic number.

20112023110331 is a deficient number, since it is larger than the sum of its proper divisors (129202333).

20112023110331 is a wasteful number, since it uses less digits than its factorization.

20112023110331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129202332.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20112023110331 its reverse (13301132021102), we get a palindrome (33413155131433).

The spelling of 20112023110331 in words is "twenty trillion, one hundred twelve billion, twenty-three million, one hundred ten thousand, three hundred thirty-one".