1204131343403 has 4 divisors (see below), whose sum is σ = 1204136729928. Its totient is φ = 1204125956880.

The previous prime is 1204131343361. The next prime is 1204131343417. The reversal of 1204131343403 is 3043431314021.

It is a happy number.

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-1204131343403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204131346403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342738 + ... + 2810103.

It is an arithmetic number, because the mean of its divisors is an integer number (301034182482).

Almost surely, 2^{1204131343403} is an apocalyptic number.

1204131343403 is a deficient number, since it is larger than the sum of its proper divisors (5386525).

1204131343403 is an equidigital number, since it uses as much as digits as its factorization.

1204131343403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386524.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1204131343403 its reverse (3043431314021), we get a palindrome (4247562657424).

The spelling of 1204131343403 in words is "one trillion, two hundred four billion, one hundred thirty-one million, three hundred forty-three thousand, four hundred three".