231717696 has 112 divisors (see below), whose sum is σ = 714109824. Its totient is φ = 64935936.

The previous prime is 231717679. The next prime is 231717719. The reversal of 231717696 is 696717132.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69606 + ... + 72858.

Almost surely, 2^231717696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231717696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357054912).

231717696 is an abundant number, since it is smaller than the sum of its proper divisors (482392128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231717696 is a wasteful number, since it uses less digits than its factorization.

231717696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328 (or 3318 counting only the distinct ones).

The product of its digits is 95256, while the sum is 42.

The square root of 231717696 is about 15222.2763080953. The cubic root of 231717696 is about 614.2140319869.

The spelling of 231717696 in words is "two hundred thirty-one million, seven hundred seventeen thousand, six hundred ninety-six".