331302130 has 8 divisors (see below), whose sum is σ = 596343852. Its totient is φ = 132520848.

The previous prime is 331302079. The next prime is 331302131. The reversal of 331302130 is 31203133.

It can be written as a sum of positive squares in 2 ways, for example, as 325116961 + 6185169 = 18031^2 + 2487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×331302130² = 219522202685073800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331302131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16565097 + ... + 16565116.

Almost surely, 2^331302130 is an apocalyptic number.

331302130 is a deficient number, since it is larger than the sum of its proper divisors (265041722).

331302130 is a wasteful number, since it uses less digits than its factorization.

331302130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33130220.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 331302130 is about 18201.7067881009. The cubic root of 331302130 is about 691.9500462342.

Adding to 331302130 its reverse (31203133), we get a palindrome (362505263).

The spelling of 331302130 in words is "three hundred thirty-one million, three hundred two thousand, one hundred thirty".