231470861 has 8 divisors (see below), whose sum is σ = 245799360. Its totient is φ = 217221568.

The previous prime is 231470803. The next prime is 231470887. The reversal of 231470861 is 168074132.

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 231470861 - 2¹⁴ = 231454477 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 (231470801) 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, 13721 + ... + 25518.

It is an arithmetic number, because the mean of its divisors is an integer number (30724920).

Almost surely, 2^231470861 is an apocalyptic number.

It is an amenable number.

231470861 is a deficient number, since it is larger than the sum of its proper divisors (14328499).

231470861 is a wasteful number, since it uses less digits than its factorization.

231470861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39603.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 231470861 is about 15214.1664576144. The cubic root of 231470861 is about 613.9958593446.

The spelling of 231470861 in words is "two hundred thirty-one million, four hundred seventy thousand, eight hundred sixty-one".