1321411440434 has 8 divisors (see below), whose sum is σ = 1982213755500. Its totient is φ = 660673521936.

The previous prime is 1321411440409. The next prime is 1321411440509. The reversal of 1321411440434 is 4340441141231.

It can be written as a sum of positive squares in 2 ways, for example, as 1275894498025 + 45516942409 = 1129555^2 + 213347^2 .

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

It is a super-2 number, since 2×1321411440434² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1321411440434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16047809 + ... + 16129940.

Almost surely, 2^{1321411440434} is an apocalyptic number.

1321411440434 is a deficient number, since it is larger than the sum of its proper divisors (660802315066).

1321411440434 is a wasteful number, since it uses less digits than its factorization.

1321411440434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32198284.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 1321411440434 its reverse (4340441141231), we get a palindrome (5661852581665).

The spelling of 1321411440434 in words is "one trillion, three hundred twenty-one billion, four hundred eleven million, four hundred forty thousand, four hundred thirty-four".