31348044 has 108 divisors (see below), whose sum is σ = 99341424. Its totient is φ = 8261568.

The previous prime is 31348007. The next prime is 31348061. The reversal of 31348044 is 44084313.

It is a junction number, because it is equal to n+sod(n) for n = 31347999 and 31348017.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22249 + ... + 23615.

It is an arithmetic number, because the mean of its divisors is an integer number (919828).

Almost surely, 2^31348044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31348044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49670712).

31348044 is an abundant number, since it is smaller than the sum of its proper divisors (67993380).

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

31348044 is a wasteful number, since it uses less digits than its factorization.

31348044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 1392 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 31348044 is about 5598.9323982345. The cubic root of 31348044 is about 315.3093257764.

The spelling of 31348044 in words is "thirty-one million, three hundred forty-eight thousand, forty-four".