231700014 has 192 divisors, whose sum is σ = 665333760. Its totient is φ = 59136480.

The previous prime is 231699991. The next prime is 231700057. The reversal of 231700014 is 410007132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 231700014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7474179 + ... + 7474209.

It is an arithmetic number, because the mean of its divisors is an integer number (3465280).

Almost surely, 2^231700014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231700014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332666880).

231700014 is an abundant number, since it is smaller than the sum of its proper divisors (433633746).

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

231700014 is an equidigital number, since it uses as much as digits as its factorization.

231700014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 231700014 is about 15221.6955034582. The cubic root of 231700014 is about 614.1984083653.

Adding to 231700014 its reverse (410007132), we get a palindrome (641707146).

The spelling of 231700014 in words is "two hundred thirty-one million, seven hundred thousand, fourteen".