1312113331329 has 16 divisors (see below), whose sum is σ = 1852422089472. Its totient is φ = 823274885888.

The previous prime is 1312113331327. The next prime is 1312113331351. The reversal of 1312113331329 is 9231333112131.

It is a happy number.

It is not a de Polignac number, because 1312113331329 - 2¹ = 1312113331327 is a prime.

It is a super-2 number, since 2×1312113331329² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1312113331329.

It is not an unprimeable number, because it can be changed into a prime (1312113331327) 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, 4538152 + ... + 4818614.

It is an arithmetic number, because the mean of its divisors is an integer number (115776380592).

Almost surely, 2^{1312113331329} is an apocalyptic number.

It is an amenable number.

1312113331329 is a deficient number, since it is larger than the sum of its proper divisors (540308758143).

1312113331329 is a wasteful number, since it uses less digits than its factorization.

1312113331329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372216.

The product of its digits is 8748, while the sum is 33.

The spelling of 1312113331329 in words is "one trillion, three hundred twelve billion, one hundred thirteen million, three hundred thirty-one thousand, three hundred twenty-nine".