20113231321234 has 8 divisors (see below), whose sum is σ = 30171574282608. Its totient is φ = 10056039893700.

The previous prime is 20113231321219. The next prime is 20113231321241. The reversal of 20113231321234 is 43212313231102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287839792 + ... + 287909659.

It is an arithmetic number, because the mean of its divisors is an integer number (3771446785326).

Almost surely, 2^{20113231321234} is an apocalyptic number.

20113231321234 is a deficient number, since it is larger than the sum of its proper divisors (10058342961374).

20113231321234 is a wasteful number, since it uses less digits than its factorization.

20113231321234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575766920.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 20113231321234 its reverse (43212313231102), we get a palindrome (63325544552336).

The spelling of 20113231321234 in words is "twenty trillion, one hundred thirteen billion, two hundred thirty-one million, three hundred twenty-one thousand, two hundred thirty-four".