1331401530305 has 32 divisors (see below), whose sum is σ = 1992440982528. Its totient is φ = 829745438400.

The previous prime is 1331401530299. The next prime is 1331401530463. The reversal of 1331401530305 is 5030351041331.

It is not a de Polignac number, because 1331401530305 - 2²⁰ = 1331400481729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1009490 + ... + 1918820.

It is an arithmetic number, because the mean of its divisors is an integer number (62263780704).

Almost surely, 2^{1331401530305} is an apocalyptic number.

It is an amenable number.

1331401530305 is a deficient number, since it is larger than the sum of its proper divisors (661039452223).

1331401530305 is a wasteful number, since it uses less digits than its factorization.

1331401530305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913157.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 1331401530305 its reverse (5030351041331), we get a palindrome (6361752571636).

The spelling of 1331401530305 in words is "one trillion, three hundred thirty-one billion, four hundred one million, five hundred thirty thousand, three hundred five".