31048 has 8 divisors (see below), whose sum is σ = 58230. Its totient is φ = 15520.

The previous prime is 31039. The next prime is 31051. The reversal of 31048 is 84013.

It can be written as a sum of positive squares in only one way, i.e., 24964 + 6084 = 158^2 + 78^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

31048 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1933 + ... + 1948.

2³¹⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

31048 is a deficient number, since it is larger than the sum of its proper divisors (27182).

31048 is a wasteful number, since it uses less digits than its factorization.

31048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887 (or 3883 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 31048 is about 176.2044267321. The cubic root of 31048 is about 31.4300117404.

The spelling of 31048 in words is "thirty-one thousand, forty-eight".