31252500048 has 160 divisors (see below), whose sum is σ = 100774978560. Its totient is φ = 8108052480.

The previous prime is 31252500043. The next prime is 31252500077. The reversal of 31252500048 is 84000525213.

It is a junction number, because it is equal to n+sod(n) for n = 31252499988 and 31252500024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31252500043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3495648 + ... + 3504576.

It is an arithmetic number, because the mean of its divisors is an integer number (629843616).

Almost surely, 2^31252500048 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 31252500048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50387489280).

31252500048 is an abundant number, since it is smaller than the sum of its proper divisors (69522478512).

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

31252500048 is a wasteful number, since it uses less digits than its factorization.

31252500048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905 (or 9899 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 31252500048 in words is "thirty-one billion, two hundred fifty-two million, five hundred thousand, forty-eight".