12331312030 has 16 divisors (see below), whose sum is σ = 22228038144. Its totient is φ = 4925485600.

The previous prime is 12331312009. The next prime is 12331312033. The reversal of 12331312030 is 3021313321.

It is a super-2 number, since 2×12331312030² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12331311989 and 12331312007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331312033) 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, 872542 + ... + 886561.

It is an arithmetic number, because the mean of its divisors is an integer number (1389252384).

Almost surely, 2^12331312030 is an apocalyptic number.

12331312030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12331312030 is a deficient number, since it is larger than the sum of its proper divisors (9896726114).

12331312030 is a wasteful number, since it uses less digits than its factorization.

12331312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759811.

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

Adding to 12331312030 its reverse (3021313321), we get a palindrome (15352625351).

The spelling of 12331312030 in words is "twelve billion, three hundred thirty-one million, three hundred twelve thousand, thirty".