331320130 has 8 divisors (see below), whose sum is σ = 596376252. Its totient is φ = 132528048.

The previous prime is 331320127. The next prime is 331320131. The reversal of 331320130 is 31023133.

It can be written as a sum of positive squares in 2 ways, for example, as 317873241 + 13446889 = 17829^2 + 3667^2 .

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

It is not an unprimeable number, because it can be changed into a prime (331320131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16565997 + ... + 16566016.

Almost surely, 2^331320130 is an apocalyptic number.

331320130 is a deficient number, since it is larger than the sum of its proper divisors (265056122).

331320130 is a wasteful number, since it uses less digits than its factorization.

331320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33132020.

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

The square root of 331320130 is about 18202.2012405093. The cubic root of 331320130 is about 691.9625774700.

Adding to 331320130 its reverse (31023133), we get a palindrome (362343263).

The spelling of 331320130 in words is "three hundred thirty-one million, three hundred twenty thousand, one hundred thirty".