3531720108 has 96 divisors (see below), whose sum is σ = 9770342400. Its totient is φ = 971502336.

The previous prime is 3531720103. The next prime is 3531720109. The reversal of 3531720108 is 8010271353.

It is not an unprimeable number, because it can be changed into a prime (3531720103) 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, 945741 + ... + 949467.

It is an arithmetic number, because the mean of its divisors is an integer number (101774400).

Almost surely, 2^3531720108 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 3531720108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4885171200).

3531720108 is an abundant number, since it is smaller than the sum of its proper divisors (6238622292).

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

3531720108 is a wasteful number, since it uses less digits than its factorization.

3531720108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159 (or 4157 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 3531720108 is about 59428.2770068256. The cubic root of 3531720108 is about 1522.8674099611.

The spelling of 3531720108 in words is "three billion, five hundred thirty-one million, seven hundred twenty thousand, one hundred eight".