11331131321234 has 32 divisors (see below), whose sum is σ = 17227187406000. Its totient is φ = 5589222008832.

The previous prime is 11331131321183. The next prime is 11331131321267. The reversal of 11331131321234 is 43212313113311.

It can be written as a sum of positive squares in 8 ways, for example, as 697316853025 + 10633814468209 = 835055^2 + 3260953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11331131321197 and 11331131321206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144717704 + ... + 144795980.

Almost surely, 2^{11331131321234} is an apocalyptic number.

11331131321234 is a deficient number, since it is larger than the sum of its proper divisors (5896056084766).

11331131321234 is a wasteful number, since it uses less digits than its factorization.

11331131321234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81374.

The product of its digits is 3888, while the sum is 29.

Adding to 11331131321234 its reverse (43212313113311), we get a palindrome (54543444434545).

The spelling of 11331131321234 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred twenty-one thousand, two hundred thirty-four".