1311423324015 has 32 divisors (see below), whose sum is σ = 2411428078080. Its totient is φ = 596158591104.

The previous prime is 1311423323989. The next prime is 1311423324023. The reversal of 1311423324015 is 5104233241131.

It is not a de Polignac number, because 1311423324015 - 2²⁴ = 1311406546799 is a prime.

It is a super-2 number, since 2×1311423324015² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34868764 + ... + 34906353.

It is an arithmetic number, because the mean of its divisors is an integer number (75357127440).

Almost surely, 2^{1311423324015} is an apocalyptic number.

1311423324015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1311423324015 is a deficient number, since it is larger than the sum of its proper divisors (1100004754065).

1311423324015 is a wasteful number, since it uses less digits than its factorization.

1311423324015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69775311.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1311423324015 its reverse (5104233241131), we get a palindrome (6415656565146).

The spelling of 1311423324015 in words is "one trillion, three hundred eleven billion, four hundred twenty-three million, three hundred twenty-four thousand, fifteen".