1200044113031 has 4 divisors (see below), whose sum is σ = 1216946142864. Its totient is φ = 1183142083200.

The previous prime is 1200044113013. The next prime is 1200044113039. The reversal of 1200044113031 is 1303114400021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200044113031 is a prime.

It is a super-2 number, since 2×1200044113031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200044112994 and 1200044113012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200044113039) 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, 8451014810 + ... + 8451014951.

It is an arithmetic number, because the mean of its divisors is an integer number (304236535716).

Almost surely, 2^{1200044113031} is an apocalyptic number.

1200044113031 is a deficient number, since it is larger than the sum of its proper divisors (16902029833).

1200044113031 is an equidigital number, since it uses as much as digits as its factorization.

1200044113031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16902029832.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1200044113031 its reverse (1303114400021), we get a palindrome (2503158513052).

The spelling of 1200044113031 in words is "one trillion, two hundred billion, forty-four million, one hundred thirteen thousand, thirty-one".