20113233312031 has 8 divisors (see below), whose sum is σ = 21171868210800. Its totient is φ = 19054602780480.

The previous prime is 20113233311939. The next prime is 20113233312097. The reversal of 20113233312031 is 13021333231102.

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 20113233312031 - 2²³ = 20113224923423 is a prime.

It is a super-2 number, since 2×20113233312031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20113233311987 and 20113233312005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113233319031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13075365 + ... + 14532433.

It is an arithmetic number, because the mean of its divisors is an integer number (2646483526350).

Almost surely, 2^{20113233312031} is an apocalyptic number.

20113233312031 is a deficient number, since it is larger than the sum of its proper divisors (1058634898769).

20113233312031 is a wasteful number, since it uses less digits than its factorization.

20113233312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183609.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 20113233312031 its reverse (13021333231102), we get a palindrome (33134566543133).

The spelling of 20113233312031 in words is "twenty trillion, one hundred thirteen billion, two hundred thirty-three million, three hundred twelve thousand, thirty-one".