12023031331 has 2 divisors, whose sum is σ = 12023031332. Its totient is φ = 12023031330.

The previous prime is 12023031281. The next prime is 12023031379. The reversal of 12023031331 is 13313032021.

It is a strong prime.

It is an emirp because it is prime and its reverse (13313032021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12023031331 - 2¹¹ = 12023029283 is a prime.

It is a super-2 number, since 2×12023031331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12023031299 and 12023031308.

It is not a weakly prime, because it can be changed into another prime (12023031931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011515665 + 6011515666.

It is an arithmetic number, because the mean of its divisors is an integer number (6011515666).

Almost surely, 2^12023031331 is an apocalyptic number.

12023031331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023031331 is an equidigital number, since it uses as much as digits as its factorization.

12023031331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12023031331 its reverse (13313032021), we get a palindrome (25336063352).

The spelling of 12023031331 in words is "twelve billion, twenty-three million, thirty-one thousand, three hundred thirty-one".