231244070 has 16 divisors (see below), whose sum is σ = 434337120. Its totient is φ = 88475904.

The previous prime is 231244063. The next prime is 231244073. The reversal of 231244070 is 70442132.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502475 + ... + 502934.

It is an arithmetic number, because the mean of its divisors is an integer number (27146070).

Almost surely, 2^231244070 is an apocalyptic number.

231244070 is a deficient number, since it is larger than the sum of its proper divisors (203093050).

231244070 is a wasteful number, since it uses less digits than its factorization.

231244070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005439.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 231244070 is about 15206.7113472966. The cubic root of 231244070 is about 613.7952664393.

The spelling of 231244070 in words is "two hundred thirty-one million, two hundred forty-four thousand, seventy".