1312113430043 has 4 divisors (see below), whose sum is σ = 1413045232368. Its totient is φ = 1211181627720.

The previous prime is 1312113430027. The next prime is 1312113430079. The reversal of 1312113430043 is 3400343112131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312113430043 - 2⁴ = 1312113430027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312113429994 and 1312113430021.

It is not an unprimeable number, because it can be changed into a prime (1312113430003) 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, 50465901143 + ... + 50465901168.

It is an arithmetic number, because the mean of its divisors is an integer number (353261308092).

Almost surely, 2^{1312113430043} is an apocalyptic number.

1312113430043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1312113430043 is a deficient number, since it is larger than the sum of its proper divisors (100931802325).

1312113430043 is a wasteful number, since it uses less digits than its factorization.

1312113430043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100931802324.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1312113430043 its reverse (3400343112131), we get a palindrome (4712456542174).

The spelling of 1312113430043 in words is "one trillion, three hundred twelve billion, one hundred thirteen million, four hundred thirty thousand, forty-three".