31366104 has 96 divisors (see below), whose sum is σ = 98568960. Its totient is φ = 8141760.

The previous prime is 31366103. The next prime is 31366109. The reversal of 31366104 is 40166313.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31366103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19557 + ... + 21099.

It is an arithmetic number, because the mean of its divisors is an integer number (1026760).

Almost surely, 2^31366104 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 31366104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49284480).

31366104 is an abundant number, since it is smaller than the sum of its proper divisors (67202856).

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

31366104 is a wasteful number, since it uses less digits than its factorization.

31366104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 31366104 is about 5600.5449734825. The cubic root of 31366104 is about 315.3698653667.

The spelling of 31366104 in words is "thirty-one million, three hundred sixty-six thousand, one hundred four".