1311342204 has 12 divisors (see below), whose sum is σ = 3059798504. Its totient is φ = 437114064.

The previous prime is 1311342203. The next prime is 1311342223. The reversal of 1311342204 is 4022431131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311342203) 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, 54639247 + ... + 54639270.

Almost surely, 2^1311342204 is an apocalyptic number.

It is an amenable number.

1311342204 is an abundant number, since it is smaller than the sum of its proper divisors (1748456300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311342204 is a wasteful number, since it uses less digits than its factorization.

1311342204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109278524 (or 109278522 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1311342204 is about 36212.4592371189. The cubic root of 1311342204 is about 1094.5577480547.

Adding to 1311342204 its reverse (4022431131), we get a palindrome (5333773335).

The spelling of 1311342204 in words is "one billion, three hundred eleven million, three hundred forty-two thousand, two hundred four".