331330047 has 8 divisors (see below), whose sum is σ = 445146240. Its totient is φ = 219200280.

The previous prime is 331330039. The next prime is 331330049. The reversal of 331330047 is 740033133.

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

It is not a de Polignac number, because 331330047 - 2³ = 331330039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331329999 and 331330026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331330049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421147 + ... + 421932.

It is an arithmetic number, because the mean of its divisors is an integer number (55643280).

Almost surely, 2^331330047 is an apocalyptic number.

331330047 is a deficient number, since it is larger than the sum of its proper divisors (113816193).

331330047 is a wasteful number, since it uses less digits than its factorization.

331330047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843213.

The product of its (nonzero) digits is 2268, while the sum is 24.

The square root of 331330047 is about 18202.4736505784. The cubic root of 331330047 is about 691.9694812908.

The spelling of 331330047 in words is "three hundred thirty-one million, three hundred thirty thousand, forty-seven".