3031131243232 has 96 divisors (see below), whose sum is σ = 6558963465600. Its totient is φ = 1373331875328.

The previous prime is 3031131243199. The next prime is 3031131243233. The reversal of 3031131243232 is 2323421311303.

It is a super-2 number, since 2×3031131243232² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3031131243232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031131243233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1083303 + ... + 2689945.

It is an arithmetic number, because the mean of its divisors is an integer number (68322536100).

Almost surely, 2^{3031131243232} is an apocalyptic number.

3031131243232 is a gapful number since it is divisible by the number (32) 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 3031131243232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3279481732800).

3031131243232 is an abundant number, since it is smaller than the sum of its proper divisors (3527832222368).

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

3031131243232 is a wasteful number, since it uses less digits than its factorization.

3031131243232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606808 (or 1606800 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 3031131243232 its reverse (2323421311303), we get a palindrome (5354552554535).

The spelling of 3031131243232 in words is "three trillion, thirty-one billion, one hundred thirty-one million, two hundred forty-three thousand, two hundred thirty-two".