20301333231231 has 24 divisors (see below), whose sum is σ = 31754326044896. Its totient is φ = 12424105321920.

The previous prime is 20301333231229. The next prime is 20301333231241. The reversal of 20301333231231 is 13213233310302.

20301333231231 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 13 + 332 + 312 + 3 + 1 = 666.

It is not a de Polignac number, because 20301333231231 - 2¹ = 20301333231229 is a prime.

It is a super-2 number, since 2×20301333231231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20301333231195 and 20301333231204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301333231241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 479303875 + ... + 479346228.

Almost surely, 2^{20301333231231} is an apocalyptic number.

20301333231231 is a deficient number, since it is larger than the sum of its proper divisors (11452992813665).

20301333231231 is a wasteful number, since it uses less digits than its factorization.

20301333231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958650303 (or 958650300 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 20301333231231 its reverse (13213233310302), we get a palindrome (33514566541533).

The spelling of 20301333231231 in words is "twenty trillion, three hundred one billion, three hundred thirty-three million, two hundred thirty-one thousand, two hundred thirty-one".