12303031000 has 192 divisors, whose sum is σ = 31917805920. Its totient is φ = 4434393600.

The previous prime is 12303030979. The next prime is 12303031001. The reversal of 12303031000 is 13030321.

It is a super-2 number, since 2×12303031000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303031001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7266154 + ... + 7267846.

Almost surely, 2^12303031000 is an apocalyptic number.

12303031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12303031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15958902960).

12303031000 is an abundant number, since it is smaller than the sum of its proper divisors (19614774920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12303031000 is a wasteful number, since it uses less digits than its factorization.

12303031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783 (or 1756 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 12303031000 its reverse (13030321), we get a palindrome (12316061321).

The spelling of 12303031000 in words is "twelve billion, three hundred three million, thirty-one thousand".