1311424331115 has 8 divisors (see below), whose sum is σ = 2098278929808. Its totient is φ = 699426309920.

The previous prime is 1311424331083. The next prime is 1311424331143. The reversal of 1311424331115 is 5111334241131.

It is a happy number.

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

It is not a de Polignac number, because 1311424331115 - 2⁵ = 1311424331083 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, 43714144356 + ... + 43714144385.

It is an arithmetic number, because the mean of its divisors is an integer number (262284866226).

Almost surely, 2^{1311424331115} is an apocalyptic number.

1311424331115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1311424331115 is a deficient number, since it is larger than the sum of its proper divisors (786854598693).

1311424331115 is an equidigital number, since it uses as much as digits as its factorization.

1311424331115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87428288749.

The product of its digits is 4320, while the sum is 30.

Adding to 1311424331115 its reverse (5111334241131), we get a palindrome (6422758572246).

The spelling of 1311424331115 in words is "one trillion, three hundred eleven billion, four hundred twenty-four million, three hundred thirty-one thousand, one hundred fifteen".