231244071 has 16 divisors (see below), whose sum is σ = 313172736. Its totient is φ = 151747776.

The previous prime is 231244063. The next prime is 231244073. The reversal of 231244071 is 170442132.

It is a happy number.

It is not a de Polignac number, because 231244071 - 2³ = 231244063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231244073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179596 + ... + 180878.

It is an arithmetic number, because the mean of its divisors is an integer number (19573296).

Almost surely, 2^231244071 is an apocalyptic number.

231244071 is a deficient number, since it is larger than the sum of its proper divisors (81928665).

231244071 is a wasteful number, since it uses less digits than its factorization.

231244071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 231244071 is about 15206.7113801768. The cubic root of 231244071 is about 613.7952673240.

The spelling of 231244071 in words is "two hundred thirty-one million, two hundred forty-four thousand, seventy-one".