31316058 has 40 divisors (see below), whose sum is σ = 71344020. Its totient is φ = 10264320.

The previous prime is 31316039. The next prime is 31316069. The reversal of 31316058 is 85061313.

It can be written as a sum of positive squares in 2 ways, for example, as 30835809 + 480249 = 5553^2 + 693^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8298 + ... + 11466.

Almost surely, 2^31316058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31316058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35672010).

31316058 is an abundant number, since it is smaller than the sum of its proper divisors (40027962).

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

31316058 is a wasteful number, since it uses less digits than its factorization.

31316058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244 (or 3235 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 31316058 is about 5596.0752318031. The cubic root of 31316058 is about 315.2020472459.

The spelling of 31316058 in words is "thirty-one million, three hundred sixteen thousand, fifty-eight".