1310432442391 has 2 divisors, whose sum is σ = 1310432442392. Its totient is φ = 1310432442390.

The previous prime is 1310432442377. The next prime is 1310432442427. The reversal of 1310432442391 is 1932442340131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310432442391 - 2⁵ = 1310432442359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1310432442391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310432440391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655216221195 + 655216221196.

It is an arithmetic number, because the mean of its divisors is an integer number (655216221196).

Almost surely, 2^{1310432442391} is an apocalyptic number.

1310432442391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310432442391 is an equidigital number, since it uses as much as digits as its factorization.

1310432442391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 1310432442391 in words is "one trillion, three hundred ten billion, four hundred thirty-two million, four hundred forty-two thousand, three hundred ninety-one".