331227047 has 4 divisors (see below), whose sum is σ = 331263816. Its totient is φ = 331190280.

The previous prime is 331227041. The next prime is 331227053. The reversal of 331227047 is 740722133.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (331227041) and next prime (331227053).

It is a cyclic number.

It is not a de Polignac number, because 331227047 - 2¹⁸ = 330964903 is a prime.

It is a super-2 number, since 2×331227047² = 219422713328680418, 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 (331227041) 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, 5297 + ... + 26277.

It is an arithmetic number, because the mean of its divisors is an integer number (82815954).

Almost surely, 2^331227047 is an apocalyptic number.

331227047 is a deficient number, since it is larger than the sum of its proper divisors (36769).

331227047 is a wasteful number, since it uses less digits than its factorization.

331227047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36768.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 331227047 is about 18199.6441448727. The cubic root of 331227047 is about 691.8977700731.

The spelling of 331227047 in words is "three hundred thirty-one million, two hundred twenty-seven thousand, forty-seven".