11331131321304 has 24 divisors (see below), whose sum is σ = 30688480662060. Its totient is φ = 3777043773744.

The previous prime is 11331131321303. The next prime is 11331131321359. The reversal of 11331131321304 is 40312313113311.

11331131321304 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 1 + 1 + 31 + 321 + 304 = 666.

11331131321304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331131321303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78688411882 + ... + 78688412025.

Almost surely, 2^{11331131321304} is an apocalyptic number.

It is an amenable number.

11331131321304 is an abundant number, since it is smaller than the sum of its proper divisors (19357349340756).

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

11331131321304 is a wasteful number, since it uses less digits than its factorization.

11331131321304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157376823919 (or 157376823912 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 11331131321304 its reverse (40312313113311), we get a palindrome (51643444434615).

The spelling of 11331131321304 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred twenty-one thousand, three hundred four".