31538852 has 6 divisors (see below), whose sum is σ = 55192998. Its totient is φ = 15769424.

The previous prime is 31538827. The next prime is 31538887. The reversal of 31538852 is 25883513.

It can be written as a sum of positive squares in only one way, i.e., 31292836 + 246016 = 5594^2 + 496^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3942353 + ... + 3942360.

It is an arithmetic number, because the mean of its divisors is an integer number (9198833).

Almost surely, 2^31538852 is an apocalyptic number.

It is an amenable number.

31538852 is a deficient number, since it is larger than the sum of its proper divisors (23654146).

31538852 is a wasteful number, since it uses less digits than its factorization.

31538852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7884717 (or 7884715 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 31538852 is about 5615.9462248138. The cubic root of 31538852 is about 315.9477695013.

The spelling of 31538852 in words is "thirty-one million, five hundred thirty-eight thousand, eight hundred fifty-two".