31490707248 has 960 divisors, whose sum is σ = 127755823104. Its totient is φ = 6967296000.

The previous prime is 31490707243. The next prime is 31490707291. The reversal of 31490707248 is 84270709413.

31490707248 is a `hidden beast` number, since 314 + 90 + 7 + 0 + 7 + 248 = 666.

It is not an unprimeable number, because it can be changed into a prime (31490707243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 173981718 + ... + 173981898.

Almost surely, 2^31490707248 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 31490707248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63877911552).

31490707248 is an abundant number, since it is smaller than the sum of its proper divisors (96265115856).

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

31490707248 is a wasteful number, since it uses less digits than its factorization.

31490707248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 31490707248 in words is "thirty-one billion, four hundred ninety million, seven hundred seven thousand, two hundred forty-eight".