1331323113139 has 2 divisors, whose sum is σ = 1331323113140. Its totient is φ = 1331323113138.

The previous prime is 1331323113067. The next prime is 1331323113149. The reversal of 1331323113139 is 9313113231331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1331323113139 - 2⁷ = 1331323113011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331323113149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665661556569 + 665661556570.

It is an arithmetic number, because the mean of its divisors is an integer number (665661556570).

Almost surely, 2^{1331323113139} is an apocalyptic number.

1331323113139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331323113139 is an equidigital number, since it uses as much as digits as its factorization.

1331323113139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 34.

The spelling of 1331323113139 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-three million, one hundred thirteen thousand, one hundred thirty-nine".