1331022311167 has 2 divisors, whose sum is σ = 1331022311168. Its totient is φ = 1331022311166.

The previous prime is 1331022311123. The next prime is 1331022311263. The reversal of 1331022311167 is 7611132201331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331022311167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331022311467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665511155583 + 665511155584.

It is an arithmetic number, because the mean of its divisors is an integer number (665511155584).

Almost surely, 2^{1331022311167} is an apocalyptic number.

1331022311167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331022311167 is an equidigital number, since it uses as much as digits as its factorization.

1331022311167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

Adding to 1331022311167 its reverse (7611132201331), we get a palindrome (8942154512498).

The spelling of 1331022311167 in words is "one trillion, three hundred thirty-one billion, twenty-two million, three hundred eleven thousand, one hundred sixty-seven".