30631104 has 168 divisors, whose sum is σ = 102705408. Its totient is φ = 8547840.

The previous prime is 30631103. The next prime is 30631121. The reversal of 30631104 is 40113603.

30631104 is a `hidden beast` number, since 30 + 631 + 1 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30631103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286219 + ... + 286325.

Almost surely, 2^30631104 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 30631104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51352704).

30631104 is an abundant number, since it is smaller than the sum of its proper divisors (72074304).

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

30631104 is a wasteful number, since it uses less digits than its factorization.

30631104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 30631104 is about 5534.5373790408. The cubic root of 30631104 is about 312.8870221398.

Adding to 30631104 its reverse (40113603), we get a palindrome (70744707).

The spelling of 30631104 in words is "thirty million, six hundred thirty-one thousand, one hundred four".