1230131300 has 54 divisors (see below), whose sum is σ = 2701453398. Its totient is φ = 486210560.

The previous prime is 1230131299. The next prime is 1230131321. The reversal of 1230131300 is 31310321.

It can be written as a sum of positive squares in 9 ways, for example, as 973939264 + 256192036 = 31208^2 + 16006^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 791324 + ... + 792876.

Almost surely, 2^1230131300 is an apocalyptic number.

1230131300 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 1230131300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350726699).

1230131300 is an abundant number, since it is smaller than the sum of its proper divisors (1471322098).

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

1230131300 is a wasteful number, since it uses less digits than its factorization.

1230131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745 (or 1649 counting only the distinct ones).

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

The square root of 1230131300 is about 35073.2276815237. The cubic root of 1230131300 is about 1071.4793930602.

Adding to 1230131300 its reverse (31310321), we get a palindrome (1261441621).

The spelling of 1230131300 in words is "one billion, two hundred thirty million, one hundred thirty-one thousand, three hundred".