1000231031200 has 36 divisors (see below), whose sum is σ = 2441814006870. Its totient is φ = 400092412160.

The previous prime is 1000231031197. The next prime is 1000231031231. The reversal of 1000231031200 is 21301320001.

It can be written as a sum of positive squares in 3 ways, for example, as 551175577744 + 449055453456 = 742412^2 + 670116^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625143595 + ... + 625145194.

Almost surely, 2^{1000231031200} is an apocalyptic number.

1000231031200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000231031200 is an abundant number, since it is smaller than the sum of its proper divisors (1441582975670).

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

1000231031200 is a wasteful number, since it uses less digits than its factorization.

1000231031200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250288809 (or 1250288796 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1000231031200 its reverse (21301320001), we get a palindrome (1021532351201).

The spelling of 1000231031200 in words is "one trillion, two hundred thirty-one million, thirty-one thousand, two hundred".