32130330 has 32 divisors (see below), whose sum is σ = 81172800. Its totient is φ = 8116992.

The previous prime is 32130277. The next prime is 32130337. The reversal of 32130330 is 3303123.

32130330 is nontrivially palindromic in base 9.

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

It is not an unprimeable number, because it can be changed into a prime (32130337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27615 + ... + 28754.

It is an arithmetic number, because the mean of its divisors is an integer number (2536650).

Almost surely, 2^32130330 is an apocalyptic number.

32130330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32130330 is an abundant number, since it is smaller than the sum of its proper divisors (49042470).

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

32130330 is a wasteful number, since it uses less digits than its factorization.

32130330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56398.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 32130330 is about 5668.3621973194. The cubic root of 32130330 is about 317.9106390262.

Adding to 32130330 its reverse (3303123), we get a palindrome (35433453).

The spelling of 32130330 in words is "thirty-two million, one hundred thirty thousand, three hundred thirty".