351631641431441 has 8 divisors (see below), whose sum is σ = 403619600896320. Its totient is φ = 300082398924528.

The previous prime is 351631641431393. The next prime is 351631641431453. The reversal of 351631641431441 is 144134146136153.

It is a happy number.

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 351631641431441 - 2¹⁸ = 351631641169297 is a prime.

It is a super-2 number, since 2×351631641431441² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351631641433441) 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, 109679237771 + ... + 109679240976.

It is an arithmetic number, because the mean of its divisors is an integer number (50452450112040).

Almost surely, 2^{351631641431441} is an apocalyptic number.

It is an amenable number.

351631641431441 is a deficient number, since it is larger than the sum of its proper divisors (51987959464879).

351631641431441 is a wasteful number, since it uses less digits than its factorization.

351631641431441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219358478983.

The product of its digits is 1244160, while the sum is 47.

Adding to 351631641431441 its reverse (144134146136153), we get a palindrome (495765787567594).

The spelling of 351631641431441 in words is "three hundred fifty-one trillion, six hundred thirty-one billion, six hundred forty-one million, four hundred thirty-one thousand, four hundred forty-one".