1321340302334 has 16 divisors (see below), whose sum is σ = 2134514311440. Its totient is φ = 609837508800.

The previous prime is 1321340302259. The next prime is 1321340302343. The reversal of 1321340302334 is 4332030431231.

It is a junction number, because it is equal to n+sod(n) for n = 1321340302297 and 1321340302306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947609 + ... + 1881659.

It is an arithmetic number, because the mean of its divisors is an integer number (133407144465).

Almost surely, 2^{1321340302334} is an apocalyptic number.

1321340302334 is a deficient number, since it is larger than the sum of its proper divisors (813174009106).

1321340302334 is a wasteful number, since it uses less digits than its factorization.

1321340302334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988475.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 1321340302334 its reverse (4332030431231), we get a palindrome (5653370733565).

The spelling of 1321340302334 in words is "one trillion, three hundred twenty-one billion, three hundred forty million, three hundred two thousand, three hundred thirty-four".