1311041204 has 12 divisors (see below), whose sum is σ = 2502896928. Its totient is φ = 595927800.

The previous prime is 1311041203. The next prime is 1311041227. The reversal of 1311041204 is 4021401131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311041203) 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, 14898152 + ... + 14898239.

It is an arithmetic number, because the mean of its divisors is an integer number (208574744).

Almost surely, 2^1311041204 is an apocalyptic number.

It is an amenable number.

1311041204 is a deficient number, since it is larger than the sum of its proper divisors (1191855724).

1311041204 is a wasteful number, since it uses less digits than its factorization.

1311041204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29796406 (or 29796404 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1311041204 is about 36208.3029704514. The cubic root of 1311041204 is about 1094.4739949118.

Adding to 1311041204 its reverse (4021401131), we get a palindrome (5332442335).

The spelling of 1311041204 in words is "one billion, three hundred eleven million, forty-one thousand, two hundred four".