330231131 has 4 divisors (see below), whose sum is σ = 332334672. Its totient is φ = 328127592.

The previous prime is 330231113. The next prime is 330231157. The reversal of 330231131 is 131132033.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 330231131 - 2¹⁰ = 330230107 is a prime.

It is a super-2 number, since 2×330231131² = 218105199763078322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330231731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051535 + ... + 1051848.

It is an arithmetic number, because the mean of its divisors is an integer number (83083668).

Almost surely, 2^330231131 is an apocalyptic number.

330231131 is a deficient number, since it is larger than the sum of its proper divisors (2103541).

330231131 is a wasteful number, since it uses less digits than its factorization.

330231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103540.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 330231131 is about 18172.2626824510. The cubic root of 330231131 is about 691.2036199993.

Adding to 330231131 its reverse (131132033), we get a palindrome (461363164).

The spelling of 330231131 in words is "three hundred thirty million, two hundred thirty-one thousand, one hundred thirty-one".