31054104 has 80 divisors (see below), whose sum is σ = 92129400. Its totient is φ = 9739008.

The previous prime is 31054103. The next prime is 31054109. The reversal of 31054104 is 40145013.

It is a happy number.

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 (31054103) 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 19 ways as a sum of consecutive naturals, for example, 9607 + ... + 12425.

Almost surely, 2^31054104 is an apocalyptic number.

31054104 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31054104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46064700).

31054104 is an abundant number, since it is smaller than the sum of its proper divisors (61075296).

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

31054104 is a wasteful number, since it uses less digits than its factorization.

31054104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854 (or 2841 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 31054104 is about 5572.6209273555. The cubic root of 31054104 is about 314.3207130642.

Adding to 31054104 its reverse (40145013), we get a palindrome (71199117).

Subtracting 31054104 from its reverse (40145013), we obtain a palindrome (9090909).

The spelling of 31054104 in words is "thirty-one million, fifty-four thousand, one hundred four".