1310771345 has 8 divisors (see below), whose sum is σ = 1693919976. Its totient is φ = 967954176.

The previous prime is 1310771303. The next prime is 1310771359. The reversal of 1310771345 is 5431770131.

It can be written as a sum of positive squares in 4 ways, for example, as 81848209 + 1228923136 = 9047^2 + 35056^2 .

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 1310771345 - 2⁸ = 1310771089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10082792 + ... + 10082921.

It is an arithmetic number, because the mean of its divisors is an integer number (211739997).

Almost surely, 2^1310771345 is an apocalyptic number.

It is an amenable number.

1310771345 is a deficient number, since it is larger than the sum of its proper divisors (383148631).

1310771345 is a wasteful number, since it uses less digits than its factorization.

1310771345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20165731.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 1310771345 is about 36204.5762991365. The cubic root of 1310771345 is about 1094.3988958419.

The spelling of 1310771345 in words is "one billion, three hundred ten million, seven hundred seventy-one thousand, three hundred forty-five".