20031232323113 has 16 divisors (see below), whose sum is σ = 23002811289600. Its totient is φ = 17251449601680.

The previous prime is 20031232323103. The next prime is 20031232323119. The reversal of 20031232323113 is 31132323213002.

It is a cyclic number.

It is not a de Polignac number, because 20031232323113 - 2²² = 20031228128809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20031232323119) 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, 10389320 + ... + 12165542.

It is an arithmetic number, because the mean of its divisors is an integer number (1437675705600).

Almost surely, 2^{20031232323113} is an apocalyptic number.

It is an amenable number.

20031232323113 is a deficient number, since it is larger than the sum of its proper divisors (2971578966487).

20031232323113 is a wasteful number, since it uses less digits than its factorization.

20031232323113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830212.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20031232323113 its reverse (31132323213002), we get a palindrome (51163555536115).

The spelling of 20031232323113 in words is "twenty trillion, thirty-one billion, two hundred thirty-two million, three hundred twenty-three thousand, one hundred thirteen".