3531248323021 has 8 divisors (see below), whose sum is σ = 3608068959360. Its totient is φ = 3454498007328.

The previous prime is 3531248323007. The next prime is 3531248323049. The reversal of 3531248323021 is 1203238421353.

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 3531248323021 - 2⁷ = 3531248322893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3531248323061) 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, 17478631 + ... + 17679508.

It is an arithmetic number, because the mean of its divisors is an integer number (451008619920).

Almost surely, 2^{3531248323021} is an apocalyptic number.

It is an amenable number.

3531248323021 is a deficient number, since it is larger than the sum of its proper divisors (76820636339).

3531248323021 is a wasteful number, since it uses less digits than its factorization.

3531248323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35160323.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 3531248323021 in words is "three trillion, five hundred thirty-one billion, two hundred forty-eight million, three hundred twenty-three thousand, twenty-one".