31296308148 has 96 divisors (see below), whose sum is σ = 92983296000. Its totient is φ = 8917358688.

The previous prime is 31296308111. The next prime is 31296308161. The reversal of 31296308148 is 84180369213.

31296308148 is a `hidden beast` number, since 3 + 1 + 2 + 9 + 630 + 8 + 1 + 4 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 221053 + ... + 333851.

It is an arithmetic number, because the mean of its divisors is an integer number (968576000).

Almost surely, 2^31296308148 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 31296308148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46491648000).

31296308148 is an abundant number, since it is smaller than the sum of its proper divisors (61686987852).

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

31296308148 is a wasteful number, since it uses less digits than its factorization.

31296308148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113186 (or 113178 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 31296308148 in words is "thirty-one billion, two hundred ninety-six million, three hundred eight thousand, one hundred forty-eight".