31052448 has 144 divisors (see below), whose sum is σ = 102787776. Its totient is φ = 8709120.

The previous prime is 31052431. The next prime is 31052453. The reversal of 31052448 is 84425013.

It is a tau number, because it is divible by the number of its divisors (144).

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, 147063 + ... + 147273.

It is an arithmetic number, because the mean of its divisors is an integer number (713804).

Almost surely, 2^31052448 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 31052448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51393888).

31052448 is an abundant number, since it is smaller than the sum of its proper divisors (71735328).

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

31052448 is a wasteful number, since it uses less digits than its factorization.

31052448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 31052448 is about 5572.4723417887. The cubic root of 31052448 is about 314.3151257796.

The spelling of 31052448 in words is "thirty-one million, fifty-two thousand, four hundred forty-eight".