231470789 has 8 divisors (see below), whose sum is σ = 258672960. Its totient is φ = 205295200.

The previous prime is 231470761. The next prime is 231470801. The reversal of 231470789 is 987074132.

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

It is a de Polignac number, because none of the positive numbers 2^k-231470789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231470189) 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, 256169 + ... + 257070.

It is an arithmetic number, because the mean of its divisors is an integer number (32334120).

Almost surely, 2^231470789 is an apocalyptic number.

It is an amenable number.

231470789 is a deficient number, since it is larger than the sum of its proper divisors (27202171).

231470789 is a wasteful number, since it uses less digits than its factorization.

231470789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513291.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 231470789 is about 15214.1640913985. The cubic root of 231470789 is about 613.9957956826.

The spelling of 231470789 in words is "two hundred thirty-one million, four hundred seventy thousand, seven hundred eighty-nine".