20031123113319 has 16 divisors (see below), whose sum is σ = 28279324831968. Its totient is φ = 12568506857472.

The previous prime is 20031123113303. The next prime is 20031123113327. The reversal of 20031123113319 is 91331132113002.

It is a happy number.

It is not a de Polignac number, because 20031123113319 - 2⁴ = 20031123113303 is a prime.

It is a super-2 number, since 2×20031123113319² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031123113719) 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, 25580269 + ... + 26351705.

It is an arithmetic number, because the mean of its divisors is an integer number (1767457801998).

Almost surely, 2^{20031123113319} is an apocalyptic number.

20031123113319 is a deficient number, since it is larger than the sum of its proper divisors (8248201718649).

20031123113319 is a wasteful number, since it uses less digits than its factorization.

20031123113319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280594.

The product of its (nonzero) digits is 2916, while the sum is 30.

The spelling of 20031123113319 in words is "twenty trillion, thirty-one billion, one hundred twenty-three million, one hundred thirteen thousand, three hundred nineteen".