1311839355 has 8 divisors (see below), whose sum is σ = 2098942992. Its totient is φ = 699647648.

The previous prime is 1311839341. The next prime is 1311839377. The reversal of 1311839355 is 5539381131.

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

It is a cyclic number.

It is not a de Polignac number, because 1311839355 - 2¹⁷ = 1311708283 is a prime.

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, 43727964 + ... + 43727993.

It is an arithmetic number, because the mean of its divisors is an integer number (262367874).

Almost surely, 2^1311839355 is an apocalyptic number.

1311839355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1311839355 is a deficient number, since it is larger than the sum of its proper divisors (787103637).

1311839355 is an equidigital number, since it uses as much as digits as its factorization.

1311839355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87455965.

The product of its digits is 48600, while the sum is 39.

The square root of 1311839355 is about 36219.3229506019. The cubic root of 1311839355 is about 1094.6960520827.

The spelling of 1311839355 in words is "one billion, three hundred eleven million, eight hundred thirty-nine thousand, three hundred fifty-five".