1311608317 has 8 divisors (see below), whose sum is σ = 1388391840. Its totient is φ = 1236928560.

The previous prime is 1311608303. The next prime is 1311608341. The reversal of 1311608317 is 7138061131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311608317 - 2¹⁹ = 1311084029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311608377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524659 + ... + 527152.

It is an arithmetic number, because the mean of its divisors is an integer number (173548980).

Almost surely, 2^1311608317 is an apocalyptic number.

It is an amenable number.

1311608317 is a deficient number, since it is larger than the sum of its proper divisors (76783523).

1311608317 is a wasteful number, since it uses less digits than its factorization.

1311608317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051883.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 1311608317 is about 36216.1333800283. The cubic root of 1311608317 is about 1094.6317832288.

Adding to 1311608317 its reverse (7138061131), we get a palindrome (8449669448).

The spelling of 1311608317 in words is "one billion, three hundred eleven million, six hundred eight thousand, three hundred seventeen".