1331313434401 has 8 divisors (see below), whose sum is σ = 1367528786624. Its totient is φ = 1295110393200.

The previous prime is 1331313434357. The next prime is 1331313434431. The reversal of 1331313434401 is 1044343131331.

It is a happy number.

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

It is not a de Polignac number, because 1331313434401 - 2⁹ = 1331313433889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331313434431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2858325 + ... + 3291298.

It is an arithmetic number, because the mean of its divisors is an integer number (170941098328).

Almost surely, 2^{1331313434401} is an apocalyptic number.

It is an amenable number.

1331313434401 is a deficient number, since it is larger than the sum of its proper divisors (36215352223).

1331313434401 is an equidigital number, since it uses as much as digits as its factorization.

1331313434401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6155511.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 1331313434401 its reverse (1044343131331), we get a palindrome (2375656565732).

The spelling of 1331313434401 in words is "one trillion, three hundred thirty-one billion, three hundred thirteen million, four hundred thirty-four thousand, four hundred one".