3531326231352 has 128 divisors (see below), whose sum is σ = 9155222899200. Its totient is φ = 1134192019968.

The previous prime is 3531326231341. The next prime is 3531326231357. The reversal of 3531326231352 is 2531326231353.

It is a self number, because there is not a number n which added to its sum of digits gives 3531326231352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3531326231357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39847363 + ... + 39935885.

It is an arithmetic number, because the mean of its divisors is an integer number (71525178900).

Almost surely, 2^{3531326231352} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3531326231352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4577611449600).

3531326231352 is an abundant number, since it is smaller than the sum of its proper divisors (5623896667848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3531326231352 is a wasteful number, since it uses less digits than its factorization.

3531326231352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89005 (or 89001 counting only the distinct ones).

The product of its digits is 291600, while the sum is 39.

Subtracting from 3531326231352 its reverse (2531326231353), we obtain a palindrome (999999999999).

The spelling of 3531326231352 in words is "three trillion, five hundred thirty-one billion, three hundred twenty-six million, two hundred thirty-one thousand, three hundred fifty-two".