1321312310434 has 8 divisors (see below), whose sum is σ = 1982074503708. Its totient is φ = 660620809200.

The previous prime is 1321312310413. The next prime is 1321312310447. The reversal of 1321312310434 is 4340132131231.

It can be written as a sum of positive squares in 2 ways, for example, as 949059794809 + 372252515625 = 974197^2 + 610125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17626257 + ... + 17701060.

Almost surely, 2^{1321312310434} is an apocalyptic number.

1321312310434 is a deficient number, since it is larger than the sum of its proper divisors (660762193274).

1321312310434 is a wasteful number, since it uses less digits than its factorization.

1321312310434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35346020.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1321312310434 its reverse (4340132131231), we get a palindrome (5661444441665).

The spelling of 1321312310434 in words is "one trillion, three hundred twenty-one billion, three hundred twelve million, three hundred ten thousand, four hundred thirty-four".