31348048 has 10 divisors (see below), whose sum is σ = 60736874. Its totient is φ = 15674016.

The previous prime is 31348007. The next prime is 31348061. The reversal of 31348048 is 84084313.

It can be written as a sum of positive squares in only one way, i.e., 25928464 + 5419584 = 5092^2 + 2328^2 .

It is a super-2 number, since 2×31348048² = 1965400226820608, which contains 22 as substring.

It is a congruent number.

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, 979611 + ... + 979642.

Almost surely, 2^31348048 is an apocalyptic number.

It is an amenable number.

31348048 is a deficient number, since it is larger than the sum of its proper divisors (29388826).

31348048 is a wasteful number, since it uses less digits than its factorization.

31348048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959261 (or 1959255 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 31348048 is about 5598.9327554455. The cubic root of 31348048 is about 315.3093391876.

The spelling of 31348048 in words is "thirty-one million, three hundred forty-eight thousand, forty-eight".