1311431675 has 6 divisors (see below), whose sum is σ = 1626175308. Its totient is φ = 1049145320.

The previous prime is 1311431651. The next prime is 1311431689. The reversal of 1311431675 is 5761341131.

It is not a de Polignac number, because 1311431675 - 2²⁰ = 1310383099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26228609 + ... + 26228658.

It is an arithmetic number, because the mean of its divisors is an integer number (271029218).

Almost surely, 2^1311431675 is an apocalyptic number.

1311431675 is a deficient number, since it is larger than the sum of its proper divisors (314743633).

1311431675 is an equidigital number, since it uses as much as digits as its factorization.

1311431675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52457277 (or 52457272 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 1311431675 is about 36213.6945781565. The cubic root of 1311431675 is about 1094.5826408576.

The spelling of 1311431675 in words is "one billion, three hundred eleven million, four hundred thirty-one thousand, six hundred seventy-five".