1311471674 has 8 divisors (see below), whose sum is σ = 2015188308. Its totient is φ = 639742240.

The previous prime is 1311471643. The next prime is 1311471677. The reversal of 1311471674 is 4761741131.

It can be written as a sum of positive squares in 2 ways, for example, as 1303715449 + 7756225 = 36107^2 + 2785^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1311471677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7996697 + ... + 7996860.

Almost surely, 2^1311471674 is an apocalyptic number.

1311471674 is a deficient number, since it is larger than the sum of its proper divisors (703716634).

1311471674 is a wasteful number, since it uses less digits than its factorization.

1311471674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15993600.

The product of its digits is 14112, while the sum is 35.

The square root of 1311471674 is about 36214.2468373981. The cubic root of 1311471674 is about 1094.5937690942.

The spelling of 1311471674 in words is "one billion, three hundred eleven million, four hundred seventy-one thousand, six hundred seventy-four".