12023131031 has 2 divisors, whose sum is σ = 12023131032. Its totient is φ = 12023131030.

The previous prime is 12023131013. The next prime is 12023131033. The reversal of 12023131031 is 13013132021.

Together with previous prime (12023131013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12023131031 - 2¹⁴ = 12023114647 is a prime.

It is a super-2 number, since 2×12023131031² (a number of 21 digits) contains 22 as substring.

Together with 12023131033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12023131033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011565515 + 6011565516.

It is an arithmetic number, because the mean of its divisors is an integer number (6011565516).

Almost surely, 2^12023131031 is an apocalyptic number.

12023131031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023131031 is an equidigital number, since it uses as much as digits as its factorization.

12023131031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12023131031 its reverse (13013132021), we get a palindrome (25036263052).

The spelling of 12023131031 in words is "twelve billion, twenty-three million, one hundred thirty-one thousand, thirty-one".