1213432342313 has 4 divisors (see below), whose sum is σ = 1214190265428. Its totient is φ = 1212674419200.

The previous prime is 1213432342301. The next prime is 1213432342351. The reversal of 1213432342313 is 3132432343121.

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 682322256784 + 531110085529 = 826028^2 + 728773^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213432342313 - 2²⁴ = 1213415565097 is a prime.

It is a super-2 number, since 2×1213432342313² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1213432342313.

It is not an unprimeable number, because it can be changed into a prime (1213432342373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378959156 + ... + 378962357.

It is an arithmetic number, because the mean of its divisors is an integer number (303547566357).

Almost surely, 2^{1213432342313} is an apocalyptic number.

It is an amenable number.

1213432342313 is a deficient number, since it is larger than the sum of its proper divisors (757923115).

1213432342313 is an equidigital number, since it uses as much as digits as its factorization.

1213432342313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757923114.

The product of its digits is 31104, while the sum is 32.

Adding to 1213432342313 its reverse (3132432343121), we get a palindrome (4345864685434).

The spelling of 1213432342313 in words is "one trillion, two hundred thirteen billion, four hundred thirty-two million, three hundred forty-two thousand, three hundred thirteen".