1305631104601 has 8 divisors (see below), whose sum is σ = 1310737739400. Its totient is φ = 1300526344320.

The previous prime is 1305631104599. The next prime is 1305631104607. The reversal of 1305631104601 is 1064011365031.

It can be written as a sum of positive squares in 4 ways, for example, as 582663528976 + 722967575625 = 763324^2 + 850275^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1305631104601 - 2¹ = 1305631104599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1305631104607) 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, 935331 + ... + 1867111.

It is an arithmetic number, because the mean of its divisors is an integer number (163842217425).

Almost surely, 2^{1305631104601} is an apocalyptic number.

It is an amenable number.

1305631104601 is a deficient number, since it is larger than the sum of its proper divisors (5106634799).

1305631104601 is an equidigital number, since it uses as much as digits as its factorization.

1305631104601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937259.

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 1305631104601 its reverse (1064011365031), we get a palindrome (2369642469632).

The spelling of 1305631104601 in words is "one trillion, three hundred five billion, six hundred thirty-one million, one hundred four thousand, six hundred one".