231152047 has 32 divisors (see below), whose sum is σ = 285170688. Its totient is φ = 183085056.

The previous prime is 231152041. The next prime is 231152071. The reversal of 231152047 is 740251132.

It is a happy number.

It is not a de Polignac number, because 231152047 - 2⁷ = 231151919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231152041) 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 31 ways as a sum of consecutive naturals, for example, 1197583 + ... + 1197775.

It is an arithmetic number, because the mean of its divisors is an integer number (8911584).

Almost surely, 2^231152047 is an apocalyptic number.

231152047 is a deficient number, since it is larger than the sum of its proper divisors (54018641).

231152047 is a wasteful number, since it uses less digits than its factorization.

231152047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 231152047 is about 15203.6853098188. The cubic root of 231152047 is about 613.7138362057.

The spelling of 231152047 in words is "two hundred thirty-one million, one hundred fifty-two thousand, forty-seven".