31048072 has 16 divisors (see below), whose sum is σ = 63507600. Its totient is φ = 14112720.

The previous prime is 31048037. The next prime is 31048079. The reversal of 31048072 is 27084013.

It is not an unprimeable number, because it can be changed into a prime (31048079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176322 + ... + 176497.

It is an arithmetic number, because the mean of its divisors is an integer number (3969225).

Almost surely, 2^31048072 is an apocalyptic number.

It is an amenable number.

31048072 is an abundant number, since it is smaller than the sum of its proper divisors (32459528).

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

31048072 is a wasteful number, since it uses less digits than its factorization.

31048072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352836 (or 352832 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 31048072 is about 5572.0796835652. The cubic root of 31048072 is about 314.3003603564.

The spelling of 31048072 in words is "thirty-one million, forty-eight thousand, seventy-two".