1305631101641 has 8 divisors (see below), whose sum is σ = 1348837803264. Its totient is φ = 1262492498160.

The previous prime is 1305631101631. The next prime is 1305631101689. The reversal of 1305631101641 is 1461011365031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1305631101641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1305631101598 and 1305631101607.

It is not an unprimeable number, because it can be changed into a prime (1305631101631) 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, 16985555 + ... + 17062248.

It is an arithmetic number, because the mean of its divisors is an integer number (168604725408).

Almost surely, 2^{1305631101641} is an apocalyptic number.

It is an amenable number.

1305631101641 is a deficient number, since it is larger than the sum of its proper divisors (43206701623).

1305631101641 is a wasteful number, since it uses less digits than its factorization.

1305631101641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34049071.

The product of its (nonzero) digits is 6480, while the sum is 32.

Adding to 1305631101641 its reverse (1461011365031), we get a palindrome (2766642466672).

The spelling of 1305631101641 in words is "one trillion, three hundred five billion, six hundred thirty-one million, one hundred one thousand, six hundred forty-one".