1200344033431 has 4 divisors (see below), whose sum is σ = 1207049866200. Its totient is φ = 1193638200664.

The previous prime is 1200344033411. The next prime is 1200344033479. The reversal of 1200344033431 is 1343304430021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1200344033431 - 2²⁷ = 1200209815703 is a prime.

It is a super-2 number, since 2×1200344033431² (a number of 25 digits) contains 22 as substring.

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 1200344033431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200344033411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3352916116 + ... + 3352916473.

It is an arithmetic number, because the mean of its divisors is an integer number (301762466550).

Almost surely, 2^{1200344033431} is an apocalyptic number.

1200344033431 is a deficient number, since it is larger than the sum of its proper divisors (6705832769).

1200344033431 is an equidigital number, since it uses as much as digits as its factorization.

1200344033431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705832768.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1200344033431 its reverse (1343304430021), we get a palindrome (2543648463452).

It can be divided in two parts, 12003440 and 33431, that added together give a triangular number (12036871 = T₄₉₀₆).

The spelling of 1200344033431 in words is "one trillion, two hundred billion, three hundred forty-four million, thirty-three thousand, four hundred thirty-one".