31448088 has 96 divisors (see below), whose sum is σ = 100988160. Its totient is φ = 8981280.

The previous prime is 31448071. The next prime is 31448111. The reversal of 31448088 is 88084413.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12453 + ... + 14763.

It is an arithmetic number, because the mean of its divisors is an integer number (1051960).

Almost surely, 2^31448088 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 31448088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50494080).

31448088 is an abundant number, since it is smaller than the sum of its proper divisors (69540072).

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

31448088 is a wasteful number, since it uses less digits than its factorization.

31448088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339 (or 2323 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 31448088 is about 5607.8594846875. The cubic root of 31448088 is about 315.6443951484.

The spelling of 31448088 in words is "thirty-one million, four hundred forty-eight thousand, eighty-eight".