1204311340111 has 4 divisors (see below), whose sum is σ = 1313794189224. Its totient is φ = 1094828491000.

The previous prime is 1204311340093. The next prime is 1204311340171. The reversal of 1204311340111 is 1110431134021.

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-1204311340111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204311340171) 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, 54741424540 + ... + 54741424561.

It is an arithmetic number, because the mean of its divisors is an integer number (328448547306).

Almost surely, 2^{1204311340111} is an apocalyptic number.

1204311340111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1204311340111 is a deficient number, since it is larger than the sum of its proper divisors (109482849113).

1204311340111 is a wasteful number, since it uses less digits than its factorization.

1204311340111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109482849112.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1204311340111 its reverse (1110431134021), we get a palindrome (2314742474132).

The spelling of 1204311340111 in words is "one trillion, two hundred four billion, three hundred eleven million, three hundred forty thousand, one hundred eleven".