330099431 has 4 divisors (see below), whose sum is σ = 341482200. Its totient is φ = 318716664.

The previous prime is 330099361. The next prime is 330099437. The reversal of 330099431 is 134990033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134990033 = 1433 ⋅94201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330099431 is a prime.

It is a super-2 number, since 2×330099431² = 217931268693047522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330099437) 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, 5691341 + ... + 5691398.

It is an arithmetic number, because the mean of its divisors is an integer number (85370550).

Almost surely, 2^330099431 is an apocalyptic number.

330099431 is a deficient number, since it is larger than the sum of its proper divisors (11382769).

330099431 is a wasteful number, since it uses less digits than its factorization.

330099431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11382768.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 330099431 is about 18168.6386666696. The cubic root of 330099431 is about 691.1117211116. Note that the first 3 decimals are identical.

The spelling of 330099431 in words is "three hundred thirty million, ninety-nine thousand, four hundred thirty-one".