1370312917 has 2 divisors, whose sum is σ = 1370312918. Its totient is φ = 1370312916.

The previous prime is 1370312903. The next prime is 1370312921. The reversal of 1370312917 is 7192130731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1024576081 + 345736836 = 32009^2 + 18594^2 .

It is an emirp because it is prime and its reverse (7192130731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1370312917 - 2¹¹ = 1370310869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1370312617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685156458 + 685156459.

It is an arithmetic number, because the mean of its divisors is an integer number (685156459).

Almost surely, 2^1370312917 is an apocalyptic number.

It is an amenable number.

1370312917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370312917 is an equidigital number, since it uses as much as digits as its factorization.

1370312917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 1370312917 is about 37017.7378698375. The cubic root of 1370312917 is about 1110.7250942381.

The spelling of 1370312917 in words is "one billion, three hundred seventy million, three hundred twelve thousand, nine hundred seventeen".