3531248323020 has 144 divisors (see below), whose sum is σ = 11702589024672. Its totient is φ = 854787870720.

The previous prime is 3531248323007. The next prime is 3531248323049. The reversal of 3531248323020 is 203238421353.

3531248323020 is a `hidden beast` number, since 3 + 5 + 312 + 4 + 8 + 32 + 302 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7534 + ... + 2657546.

It is an arithmetic number, because the mean of its divisors is an integer number (81267979338).

Almost surely, 2^{3531248323020} is an apocalyptic number.

3531248323020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3531248323020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5851294512336).

3531248323020 is an abundant number, since it is smaller than the sum of its proper divisors (8171340701652).

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

3531248323020 is a wasteful number, since it uses less digits than its factorization.

3531248323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650712 (or 2650707 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 3531248323020 in words is "three trillion, five hundred thirty-one billion, two hundred forty-eight million, three hundred twenty-three thousand, twenty".