1321332034401 has 48 divisors (see below), whose sum is σ = 2007623479680. Its totient is φ = 835808371200.

The previous prime is 1321332034397. The next prime is 1321332034441. The reversal of 1321332034401 is 1044302331231.

It is a happy number.

1321332034401 is a `hidden beast` number, since 1 + 3 + 2 + 13 + 3 + 203 + 440 + 1 = 666.

It is not a de Polignac number, because 1321332034401 - 2² = 1321332034397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1321332034441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34537255 + ... + 34575491.

It is an arithmetic number, because the mean of its divisors is an integer number (41825489160).

Almost surely, 2^{1321332034401} is an apocalyptic number.

It is an amenable number.

1321332034401 is a deficient number, since it is larger than the sum of its proper divisors (686291445279).

1321332034401 is a wasteful number, since it uses less digits than its factorization.

1321332034401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39606 (or 39603 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1321332034401 its reverse (1044302331231), we get a palindrome (2365634365632).

The spelling of 1321332034401 in words is "one trillion, three hundred twenty-one billion, three hundred thirty-two million, thirty-four thousand, four hundred one".