13144343031015 has 16 divisors (see below), whose sum is σ = 24035370114048. Its totient is φ = 6008842528416.

The previous prime is 13144343030989. The next prime is 13144343031019. The reversal of 13144343031015 is 51013034344131.

It is not a de Polignac number, because 13144343031015 - 2³⁰ = 13143269289191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144343031019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62592109567 + ... + 62592109776.

It is an arithmetic number, because the mean of its divisors is an integer number (1502210632128).

Almost surely, 2^{13144343031015} is an apocalyptic number.

13144343031015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13144343031015 is a deficient number, since it is larger than the sum of its proper divisors (10891027083033).

13144343031015 is a wasteful number, since it uses less digits than its factorization.

13144343031015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125184219358.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 13144343031015 its reverse (51013034344131), we get a palindrome (64157377375146).

The spelling of 13144343031015 in words is "thirteen trillion, one hundred forty-four billion, three hundred forty-three million, thirty-one thousand, fifteen".