1104131311321 has 2 divisors, whose sum is σ = 1104131311322. Its totient is φ = 1104131311320.

The previous prime is 1104131311229. The next prime is 1104131311343. The reversal of 1104131311321 is 1231131314011.

It is an a-pointer prime, because the next prime (1104131311343) can be obtained adding 1104131311321 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1080310784400 + 23820526921 = 1039380^2 + 154339^2 .

It is a cyclic number.

It is not a de Polignac number, because 1104131311321 - 2¹³ = 1104131303129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1104131311292 and 1104131311301.

It is not a weakly prime, because it can be changed into another prime (1104131311421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552065655660 + 552065655661.

It is an arithmetic number, because the mean of its divisors is an integer number (552065655661).

Almost surely, 2^{1104131311321} is an apocalyptic number.

It is an amenable number.

1104131311321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104131311321 is an equidigital number, since it uses as much as digits as its factorization.

1104131311321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 1104131311321 its reverse (1231131314011), we get a palindrome (2335262625332).

The spelling of 1104131311321 in words is "one trillion, one hundred four billion, one hundred thirty-one million, three hundred eleven thousand, three hundred twenty-one".