31198848 has 64 divisors (see below), whose sum is σ = 83721600. Its totient is φ = 10293248.

The previous prime is 31198847. The next prime is 31198897. The reversal of 31198848 is 84889113.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (31198841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43033 + ... + 43751.

It is an arithmetic number, because the mean of its divisors is an integer number (1308150).

Almost surely, 2^31198848 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 31198848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41860800).

31198848 is an abundant number, since it is smaller than the sum of its proper divisors (52522752).

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

31198848 is a wasteful number, since it uses less digits than its factorization.

31198848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 837 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 31198848 is about 5585.5928960138. The cubic root of 31198848 is about 314.8083086671.

The spelling of 31198848 in words is "thirty-one million, one hundred ninety-eight thousand, eight hundred forty-eight".