1200113002431 has 24 divisors (see below), whose sum is σ = 1981734029184. Its totient is φ = 685572860880.

The previous prime is 1200113002421. The next prime is 1200113002477. The reversal of 1200113002431 is 1342003110021.

1200113002431 is a `hidden beast` number, since 1 + 200 + 1 + 1 + 30 + 0 + 2 + 431 = 666.

It is not a de Polignac number, because 1200113002431 - 2¹⁸ = 1200112740287 is a prime.

It is a super-2 number, since 2×1200113002431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200113002421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2649561 + ... + 3069266.

It is an arithmetic number, because the mean of its divisors is an integer number (82572251216).

Almost surely, 2^{1200113002431} is an apocalyptic number.

1200113002431 is a deficient number, since it is larger than the sum of its proper divisors (781621026753).

1200113002431 is a wasteful number, since it uses less digits than its factorization.

1200113002431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722171 (or 5722168 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1200113002431 its reverse (1342003110021), we get a palindrome (2542116112452).

The spelling of 1200113002431 in words is "one trillion, two hundred billion, one hundred thirteen million, two thousand, four hundred thirty-one".