5231531202240 has 448 divisors, whose sum is σ = 19628846899200. Its totient is φ = 1155226337280.

The previous prime is 5231531202203. The next prime is 5231531202251. The reversal of 5231531202240 is 422021351325.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5231531202198 and 5231531202207.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123512586 + ... + 123554934.

It is an arithmetic number, because the mean of its divisors is an integer number (43814390400).

Almost surely, 2^{5231531202240} 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 5231531202240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9814423449600).

5231531202240 is an abundant number, since it is smaller than the sum of its proper divisors (14397315696960).

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

5231531202240 is a wasteful number, since it uses less digits than its factorization.

5231531202240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43000 (or 42990 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 5231531202240 its reverse (422021351325), we get a palindrome (5653552553565).

The spelling of 5231531202240 in words is "five trillion, two hundred thirty-one billion, five hundred thirty-one million, two hundred two thousand, two hundred forty".