1321454330434 has 16 divisors (see below), whose sum is σ = 2272634372736. Its totient is φ = 564516547200.

The previous prime is 1321454330389. The next prime is 1321454330459. The reversal of 1321454330434 is 4340334541231.

It is a junction number, because it is equal to n+sod(n) for n = 1321454330393 and 1321454330402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151747407 + ... + 151756114.

It is an arithmetic number, because the mean of its divisors is an integer number (142039648296).

Almost surely, 2^{1321454330434} is an apocalyptic number.

1321454330434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1321454330434 is a deficient number, since it is larger than the sum of its proper divisors (951180042302).

1321454330434 is a wasteful number, since it uses less digits than its factorization.

1321454330434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303503841.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 1321454330434 its reverse (4340334541231), we get a palindrome (5661788871665).

The spelling of 1321454330434 in words is "one trillion, three hundred twenty-one billion, four hundred fifty-four million, three hundred thirty thousand, four hundred thirty-four".