31612549248 has 192 divisors, whose sum is σ = 104073390720. Its totient is φ = 9022648320.

The previous prime is 31612549247. The next prime is 31612549259. The reversal of 31612549248 is 84294521613.

31612549248 is a `hidden beast` number, since 3 + 1 + 61 + 2 + 549 + 2 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (31612549247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11941461 + ... + 11944107.

It is an arithmetic number, because the mean of its divisors is an integer number (542048910).

Almost surely, 2^31612549248 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 31612549248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52036695360).

31612549248 is an abundant number, since it is smaller than the sum of its proper divisors (72460841472).

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

31612549248 is a wasteful number, since it uses less digits than its factorization.

31612549248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155 (or 4140 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 31612549248 in words is "thirty-one billion, six hundred twelve million, five hundred forty-nine thousand, two hundred forty-eight".