1313444434443 has 16 divisors (see below), whose sum is σ = 1777522897920. Its totient is φ = 862548994944.

The previous prime is 1313444434403. The next prime is 1313444434459. The reversal of 1313444434443 is 3444344443131.

It is not a de Polignac number, because 1313444434443 - 2¹⁷ = 1313444303371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313444434395 and 1313444434404.

It is not an unprimeable number, because it can be changed into a prime (1313444434403) 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, 6296871 + ... + 6502112.

It is an arithmetic number, because the mean of its divisors is an integer number (111095181120).

Almost surely, 2^{1313444434443} is an apocalyptic number.

1313444434443 is a deficient number, since it is larger than the sum of its proper divisors (464078463477).

1313444434443 is a wasteful number, since it uses less digits than its factorization.

1313444434443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12799498.

The product of its digits is 1327104, while the sum is 42.

Adding to 1313444434443 its reverse (3444344443131), we get a palindrome (4757788877574).

The spelling of 1313444434443 in words is "one trillion, three hundred thirteen billion, four hundred forty-four million, four hundred thirty-four thousand, four hundred forty-three".