1313471838 has 16 divisors (see below), whose sum is σ = 3002221440. Its totient is φ = 375277656.

The previous prime is 1313471801. The next prime is 1313471849. The reversal of 1313471838 is 8381743131.

It is a junction number, because it is equal to n+sod(n) for n = 1313471796 and 1313471805.

It is a congruent number.

It is an unprimeable number.

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, 15636528 + ... + 15636611.

It is an arithmetic number, because the mean of its divisors is an integer number (187638840).

Almost surely, 2^1313471838 is an apocalyptic number.

1313471838 is an abundant number, since it is smaller than the sum of its proper divisors (1688749602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313471838 is a wasteful number, since it uses less digits than its factorization.

1313471838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31273151.

The product of its digits is 48384, while the sum is 39.

The square root of 1313471838 is about 36241.8520222132. The cubic root of 1313471838 is about 1095.1499521504.

The spelling of 1313471838 in words is "one billion, three hundred thirteen million, four hundred seventy-one thousand, eight hundred thirty-eight".