1310241389 has 2 divisors, whose sum is σ = 1310241390. Its totient is φ = 1310241388.

The previous prime is 1310241353. The next prime is 1310241407. The reversal of 1310241389 is 9831420131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 705327364 + 604914025 = 26558^2 + 24595^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310241389 - 2²⁰ = 1309192813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310211389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655120694 + 655120695.

It is an arithmetic number, because the mean of its divisors is an integer number (655120695).

Almost surely, 2^1310241389 is an apocalyptic number.

It is an amenable number.

1310241389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310241389 is an equidigital number, since it uses as much as digits as its factorization.

1310241389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1310241389 is about 36197.2566501938. The cubic root of 1310241389 is about 1094.2513843671.

The spelling of 1310241389 in words is "one billion, three hundred ten million, two hundred forty-one thousand, three hundred eighty-nine".