20031022312331 has 2 divisors, whose sum is σ = 20031022312332. Its totient is φ = 20031022312330.

The previous prime is 20031022312319. The next prime is 20031022312339. The reversal of 20031022312331 is 13321322013002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20031022312331 - 2³⁰ = 20029948570507 is a prime.

It is a super-2 number, since 2×20031022312331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20031022312297 and 20031022312306.

It is not a weakly prime, because it can be changed into another prime (20031022312339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015511156165 + 10015511156166.

It is an arithmetic number, because the mean of its divisors is an integer number (10015511156166).

Almost surely, 2^{20031022312331} is an apocalyptic number.

20031022312331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20031022312331 is an equidigital number, since it uses as much as digits as its factorization.

20031022312331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20031022312331 its reverse (13321322013002), we get a palindrome (33352344325333).

The spelling of 20031022312331 in words is "twenty trillion, thirty-one billion, twenty-two million, three hundred twelve thousand, three hundred thirty-one".