1331031213067 has 2 divisors, whose sum is σ = 1331031213068. Its totient is φ = 1331031213066.

The previous prime is 1331031213059. The next prime is 1331031213173. The reversal of 1331031213067 is 7603121301331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1331031213067 - 2³ = 1331031213059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331031213047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665515606533 + 665515606534.

It is an arithmetic number, because the mean of its divisors is an integer number (665515606534).

Almost surely, 2^{1331031213067} is an apocalyptic number.

1331031213067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331031213067 is an equidigital number, since it uses as much as digits as its factorization.

1331031213067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

Adding to 1331031213067 its reverse (7603121301331), we get a palindrome (8934152514398).

The spelling of 1331031213067 in words is "one trillion, three hundred thirty-one billion, thirty-one million, two hundred thirteen thousand, sixty-seven".