12003031031 has 2 divisors, whose sum is σ = 12003031032. Its totient is φ = 12003031030.

The previous prime is 12003030961. The next prime is 12003031037. The reversal of 12003031031 is 13013030021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12003031031 - 2¹⁰ = 12003030007 is a prime.

It is a super-2 number, since 2×12003031031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12003030997 and 12003031015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12003031037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001515515 + 6001515516.

It is an arithmetic number, because the mean of its divisors is an integer number (6001515516).

Almost surely, 2^12003031031 is an apocalyptic number.

12003031031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003031031 is an equidigital number, since it uses as much as digits as its factorization.

12003031031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 12003031031 its reverse (13013030021), we get a palindrome (25016061052).

The spelling of 12003031031 in words is "twelve billion, three million, thirty-one thousand, thirty-one".