12231311203031 has 8 divisors (see below), whose sum is σ = 12462126516480. Its totient is φ = 12002395604472.

The previous prime is 12231311202977. The next prime is 12231311203061. The reversal of 12231311203031 is 13030211313221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12231311203031 - 2¹⁰ = 12231311202007 is a prime.

It is a super-2 number, since 2×12231311203031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12231311202988 and 12231311203006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231311203061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474915725 + ... + 474941478.

It is an arithmetic number, because the mean of its divisors is an integer number (1557765814560).

Almost surely, 2^{12231311203031} is an apocalyptic number.

12231311203031 is a deficient number, since it is larger than the sum of its proper divisors (230815313449).

12231311203031 is an equidigital number, since it uses as much as digits as its factorization.

12231311203031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949857445.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12231311203031 its reverse (13030211313221), we get a palindrome (25261522516252).

The spelling of 12231311203031 in words is "twelve trillion, two hundred thirty-one billion, three hundred eleven million, two hundred three thousand, thirty-one".