1311707255 has 8 divisors (see below), whose sum is σ = 1607539392. Its totient is φ = 1027038688.

The previous prime is 1311707213. The next prime is 1311707261. The reversal of 1311707255 is 5527071131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311707255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2790632 + ... + 2791101.

It is an arithmetic number, because the mean of its divisors is an integer number (200942424).

Almost surely, 2^1311707255 is an apocalyptic number.

1311707255 is a deficient number, since it is larger than the sum of its proper divisors (295832137).

1311707255 is an equidigital number, since it uses as much as digits as its factorization.

1311707255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581785.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 1311707255 is about 36217.4992924691. The cubic root of 1311707255 is about 1094.6593061702.

Adding to 1311707255 its reverse (5527071131), we get a palindrome (6838778386).

The spelling of 1311707255 in words is "one billion, three hundred eleven million, seven hundred seven thousand, two hundred fifty-five".