1313144213329 has 4 divisors (see below), whose sum is σ = 1414155306676. Its totient is φ = 1212133119984.

The previous prime is 1313144213237. The next prime is 1313144213431. The reversal of 1313144213329 is 9233124413131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 64248561729 + 1248895651600 = 253473^2 + 1117540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313144213329 - 2⁷ = 1313144213201 is a prime.

It is a super-2 number, since 2×1313144213329² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313144213629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50505546654 + ... + 50505546679.

It is an arithmetic number, because the mean of its divisors is an integer number (353538826669).

Almost surely, 2^{1313144213329} is an apocalyptic number.

It is an amenable number.

1313144213329 is a deficient number, since it is larger than the sum of its proper divisors (101011093347).

1313144213329 is a wasteful number, since it uses less digits than its factorization.

1313144213329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101011093346.

The product of its digits is 46656, while the sum is 37.

The spelling of 1313144213329 in words is "one trillion, three hundred thirteen billion, one hundred forty-four million, two hundred thirteen thousand, three hundred twenty-nine".