2352355131221 has 8 divisors (see below), whose sum is σ = 2380725538464. Its totient is φ = 2323985409360.

The previous prime is 2352355131211. The next prime is 2352355131283. The reversal of 2352355131221 is 1221315532532.

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-2352355131221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2352355131211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11487551 + ... + 11690531.

It is an arithmetic number, because the mean of its divisors is an integer number (297590692308).

Almost surely, 2^{2352355131221} is an apocalyptic number.

It is an amenable number.

2352355131221 is a deficient number, since it is larger than the sum of its proper divisors (28370407243).

2352355131221 is a wasteful number, since it uses less digits than its factorization.

2352355131221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342691.

The product of its digits is 54000, while the sum is 35.

The spelling of 2352355131221 in words is "two trillion, three hundred fifty-two billion, three hundred fifty-five million, one hundred thirty-one thousand, two hundred twenty-one".