1131313321841 has 2 divisors, whose sum is σ = 1131313321842. Its totient is φ = 1131313321840.

The previous prime is 1131313321819. The next prime is 1131313321907. The reversal of 1131313321841 is 1481233131311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 822404128225 + 308909193616 = 906865^2 + 555796^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131313321841 - 2³⁰ = 1130239580017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131313321798 and 1131313321807.

It is not a weakly prime, because it can be changed into another prime (1131313321811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565656660920 + 565656660921.

It is an arithmetic number, because the mean of its divisors is an integer number (565656660921).

Almost surely, 2^{1131313321841} is an apocalyptic number.

It is an amenable number.

1131313321841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131313321841 is an equidigital number, since it uses as much as digits as its factorization.

1131313321841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The spelling of 1131313321841 in words is "one trillion, one hundred thirty-one billion, three hundred thirteen million, three hundred twenty-one thousand, eight hundred forty-one".