231981711359 has 8 divisors (see below), whose sum is σ = 232622599440. Its totient is φ = 231340925376.

The previous prime is 231981711301. The next prime is 231981711389. The reversal of 231981711359 is 953117189132.

It is a happy number.

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 231981711359 - 2²⁴ = 231964934143 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 (231981711389) 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, 7764752 + ... + 7794570.

It is an arithmetic number, because the mean of its divisors is an integer number (29077824930).

Almost surely, 2^231981711359 is an apocalyptic number.

231981711359 is a deficient number, since it is larger than the sum of its proper divisors (640888081).

231981711359 is a wasteful number, since it uses less digits than its factorization.

231981711359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51049.

The product of its digits is 408240, while the sum is 50.

The spelling of 231981711359 in words is "two hundred thirty-one billion, nine hundred eighty-one million, seven hundred eleven thousand, three hundred fifty-nine".