352121510452331 has 4 divisors (see below), whose sum is σ = 352168768748664. Its totient is φ = 352074252156000.

The previous prime is 352121510452321. The next prime is 352121510452367. The reversal of 352121510452331 is 133254015121253.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 352121510452331 - 2¹⁸ = 352121510190187 is a prime.

It is a super-2 number, since 2×352121510452331² (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 (352121510452321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23629136990 + ... + 23629151891.

It is an arithmetic number, because the mean of its divisors is an integer number (88042192187166).

Almost surely, 2^{352121510452331} is an apocalyptic number.

352121510452331 is a deficient number, since it is larger than the sum of its proper divisors (47258296333).

352121510452331 is an equidigital number, since it uses as much as digits as its factorization.

352121510452331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47258296332.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 352121510452331 its reverse (133254015121253), we get a palindrome (485375525573584).

The spelling of 352121510452331 in words is "three hundred fifty-two trillion, one hundred twenty-one billion, five hundred ten million, four hundred fifty-two thousand, three hundred thirty-one".