32431104 has 220 divisors, whose sum is σ = 107000784. Its totient is φ = 9732096.

The previous prime is 32431093. The next prime is 32431109. The reversal of 32431104 is 40113423.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32431109) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1410037 + ... + 1410059.

Almost surely, 2^32431104 is an apocalyptic number.

32431104 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 32431104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53500392).

32431104 is an abundant number, since it is smaller than the sum of its proper divisors (74569680).

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

32431104 is a wasteful number, since it uses less digits than its factorization.

32431104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 32431104 is about 5694.8313407861. The cubic root of 32431104 is about 318.8995533500.

Adding to 32431104 its reverse (40113423), we get a palindrome (72544527).

It can be divided in two parts, 324 and 31104, that multiplied together give a 9-th power (10077696 = 6⁹).

The spelling of 32431104 in words is "thirty-two million, four hundred thirty-one thousand, one hundred four".