231016971 has 8 divisors (see below), whose sum is σ = 311734080. Its totient is φ = 152155592.

The previous prime is 231016963. The next prime is 231016993. The reversal of 231016971 is 179610132.

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

It is a cyclic number.

It is not a de Polignac number, because 231016971 - 2³ = 231016963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231016921) 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, 463641 + ... + 464138.

It is an arithmetic number, because the mean of its divisors is an integer number (38966760).

Almost surely, 2^231016971 is an apocalyptic number.

231016971 is a deficient number, since it is larger than the sum of its proper divisors (80717109).

231016971 is an equidigital number, since it uses as much as digits as its factorization.

231016971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927865.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 231016971 is about 15199.2424482275. The cubic root of 231016971 is about 613.5942696492.

The spelling of 231016971 in words is "two hundred thirty-one million, sixteen thousand, nine hundred seventy-one".