31845823507248 has 20 divisors (see below), whose sum is σ = 82268377393848. Its totient is φ = 10615274502400.

The previous prime is 31845823507247. The next prime is 31845823507319. The reversal of 31845823507248 is 84270532854813.

It is a junction number, because it is equal to n+sod(n) for n = 31845823507191 and 31845823507200.

It is not an unprimeable number, because it can be changed into a prime (31845823507247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331727328153 + ... + 331727328248.

Almost surely, 2^{31845823507248} is an apocalyptic number.

It is an amenable number.

31845823507248 is an abundant number, since it is smaller than the sum of its proper divisors (50422553886600).

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

31845823507248 is a wasteful number, since it uses less digits than its factorization.

31845823507248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663454656412 (or 663454656406 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 60.

The spelling of 31845823507248 in words is "thirty-one trillion, eight hundred forty-five billion, eight hundred twenty-three million, five hundred seven thousand, two hundred forty-eight".