1313022331811 has 2 divisors, whose sum is σ = 1313022331812. Its totient is φ = 1313022331810.

The previous prime is 1313022331793. The next prime is 1313022331849. The reversal of 1313022331811 is 1181332203131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313022331811 - 2¹⁰ = 1313022330787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313022331871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656511165905 + 656511165906.

It is an arithmetic number, because the mean of its divisors is an integer number (656511165906).

Almost surely, 2^{1313022331811} is an apocalyptic number.

1313022331811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313022331811 is an equidigital number, since it uses as much as digits as its factorization.

1313022331811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 1313022331811 its reverse (1181332203131), we get a palindrome (2494354534942).

The spelling of 1313022331811 in words is "one trillion, three hundred thirteen billion, twenty-two million, three hundred thirty-one thousand, eight hundred eleven".