32321130 has 16 divisors (see below), whose sum is σ = 77570784. Its totient is φ = 8618960.

The previous prime is 32321089. The next prime is 32321137. The reversal of 32321130 is 3112323.

It is a super-3 number, since 3×32321130³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32321137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538656 + ... + 538715.

It is an arithmetic number, because the mean of its divisors is an integer number (4848174).

Almost surely, 2^32321130 is an apocalyptic number.

32321130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32321130 is an abundant number, since it is smaller than the sum of its proper divisors (45249654).

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

32321130 is a wasteful number, since it uses less digits than its factorization.

32321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077381.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 32321130 is about 5685.1675437053. The cubic root of 32321130 is about 318.5386819274.

Adding to 32321130 its reverse (3112323), we get a palindrome (35433453).

The spelling of 32321130 in words is "thirty-two million, three hundred twenty-one thousand, one hundred thirty".