31093048 has 24 divisors (see below), whose sum is σ = 67818600. Its totient is φ = 13325424.

The previous prime is 31093043. The next prime is 31093091. The reversal of 31093048 is 84039013.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31093043) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 39268 + ... + 40051.

It is an arithmetic number, because the mean of its divisors is an integer number (2825775).

Almost surely, 2^31093048 is an apocalyptic number.

It is an amenable number.

31093048 is an abundant number, since it is smaller than the sum of its proper divisors (36725552).

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

31093048 is a wasteful number, since it uses less digits than its factorization.

31093048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79339 (or 79328 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 31093048 is about 5576.1140590917. The cubic root of 31093048 is about 314.4520515011.

The spelling of 31093048 in words is "thirty-one million, ninety-three thousand, forty-eight".