331130099 has 4 divisors (see below), whose sum is σ = 333161736. Its totient is φ = 329098464.

The previous prime is 331130089. The next prime is 331130101. The reversal of 331130099 is 990031133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331130099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331130069) 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, 1015574 + ... + 1015899.

It is an arithmetic number, because the mean of its divisors is an integer number (83290434).

Almost surely, 2^331130099 is an apocalyptic number.

331130099 is a deficient number, since it is larger than the sum of its proper divisors (2031637).

331130099 is a wasteful number, since it uses less digits than its factorization.

331130099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031636.

The product of its (nonzero) digits is 2187, while the sum is 29.

The square root of 331130099 is about 18196.9804912793. The cubic root of 331130099 is about 691.8302588286.

The spelling of 331130099 in words is "three hundred thirty-one million, one hundred thirty thousand, ninety-nine".