31049812948 has 96 divisors (see below), whose sum is σ = 70161638400. Its totient is φ = 11916384480.

The previous prime is 31049812907. The next prime is 31049812957. The reversal of 31049812948 is 84921894013.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 995811 + ... + 1026517.

It is an arithmetic number, because the mean of its divisors is an integer number (730850400).

Almost surely, 2^31049812948 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 31049812948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35080819200).

31049812948 is an abundant number, since it is smaller than the sum of its proper divisors (39111825452).

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

31049812948 is a wasteful number, since it uses less digits than its factorization.

31049812948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30810 (or 30794 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 31049812948 in words is "thirty-one billion, forty-nine million, eight hundred twelve thousand, nine hundred forty-eight".