1131314044321 has 2 divisors, whose sum is σ = 1131314044322. Its totient is φ = 1131314044320.

The previous prime is 1131314044183. The next prime is 1131314044331. The reversal of 1131314044321 is 1234404131311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 756837361296 + 374476683025 = 869964^2 + 611945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131314044321 - 2¹¹ = 1131314042273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131314044321.

It is not a weakly prime, because it can be changed into another prime (1131314044331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565657022160 + 565657022161.

It is an arithmetic number, because the mean of its divisors is an integer number (565657022161).

Almost surely, 2^{1131314044321} is an apocalyptic number.

It is an amenable number.

1131314044321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131314044321 is an equidigital number, since it uses as much as digits as its factorization.

1131314044321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 1131314044321 its reverse (1234404131311), we get a palindrome (2365718175632).

The spelling of 1131314044321 in words is "one trillion, one hundred thirty-one billion, three hundred fourteen million, forty-four thousand, three hundred twenty-one".