1310232129989 has 2 divisors, whose sum is σ = 1310232129990. Its totient is φ = 1310232129988.

The previous prime is 1310232129911. The next prime is 1310232130037. The reversal of 1310232129989 is 9899212320131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1305210281764 + 5021848225 = 1142458^2 + 70865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310232129989 - 2³² = 1305937162693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310232129289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655116064994 + 655116064995.

It is an arithmetic number, because the mean of its divisors is an integer number (655116064995).

Almost surely, 2^{1310232129989} is an apocalyptic number.

It is an amenable number.

1310232129989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310232129989 is an equidigital number, since it uses as much as digits as its factorization.

1310232129989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 50.

The spelling of 1310232129989 in words is "one trillion, three hundred ten billion, two hundred thirty-two million, one hundred twenty-nine thousand, nine hundred eighty-nine".