32015130 has 96 divisors (see below), whose sum is σ = 92586240. Its totient is φ = 7056000.

The previous prime is 32015129. The next prime is 32015143. The reversal of 32015130 is 3151023.

It is a happy number.

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

It is a Curzon number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 42255 + ... + 43005.

It is an arithmetic number, because the mean of its divisors is an integer number (964440).

Almost surely, 2^32015130 is an apocalyptic number.

32015130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32015130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46293120).

32015130 is an abundant number, since it is smaller than the sum of its proper divisors (60571110).

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

32015130 is a wasteful number, since it uses less digits than its factorization.

32015130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 32015130 is about 5658.1914071548. The cubic root of 32015130 is about 317.5302387138.

Adding to 32015130 its reverse (3151023), we get a palindrome (35166153).

The spelling of 32015130 in words is "thirty-two million, fifteen thousand, one hundred thirty".