1200430031111 has 8 divisors (see below), whose sum is σ = 1200897469200. Its totient is φ = 1199962693440.

The previous prime is 1200430031083. The next prime is 1200430031197. The reversal of 1200430031111 is 1111300340021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200430031111 - 2²² = 1200425836807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200430031111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200430033111) 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, 30745760 + ... + 30784778.

It is an arithmetic number, because the mean of its divisors is an integer number (150112183650).

Almost surely, 2^{1200430031111} is an apocalyptic number.

1200430031111 is a deficient number, since it is larger than the sum of its proper divisors (467438089).

1200430031111 is an equidigital number, since it uses as much as digits as its factorization.

1200430031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50209.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1200430031111 its reverse (1111300340021), we get a palindrome (2311730371132).

The spelling of 1200430031111 in words is "one trillion, two hundred billion, four hundred thirty million, thirty-one thousand, one hundred eleven".