1313143882 has 4 divisors (see below), whose sum is σ = 1969715826. Its totient is φ = 656571940.

The previous prime is 1313143861. The next prime is 1313143883. The reversal of 1313143882 is 2883413131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1160151721 + 152992161 = 34061^2 + 12369^2 .

It is not an unprimeable number, because it can be changed into a prime (1313143883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328285969 + ... + 328285972.

Almost surely, 2^1313143882 is an apocalyptic number.

1313143882 is a deficient number, since it is larger than the sum of its proper divisors (656571944).

1313143882 is an equidigital number, since it uses as much as digits as its factorization.

1313143882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656571943.

The product of its digits is 13824, while the sum is 34.

The square root of 1313143882 is about 36237.3271917232. The cubic root of 1313143882 is about 1095.0587965620.

The spelling of 1313143882 in words is "one billion, three hundred thirteen million, one hundred forty-three thousand, eight hundred eighty-two".