231244030 has 16 divisors (see below), whose sum is σ = 440724240. Its totient is φ = 87056512.

The previous prime is 231244009. The next prime is 231244033. The reversal of 231244030 is 30442132.

231244030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231243989 and 231244007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231244033) 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, 679960 + ... + 680299.

It is an arithmetic number, because the mean of its divisors is an integer number (27545265).

Almost surely, 2^231244030 is an apocalyptic number.

231244030 is a deficient number, since it is larger than the sum of its proper divisors (209480210).

231244030 is a wasteful number, since it uses less digits than its factorization.

231244030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360283.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 231244030 is about 15206.7100320878. The cubic root of 231244030 is about 613.7952310484.

Adding to 231244030 its reverse (30442132), we get a palindrome (261686162).

The spelling of 231244030 in words is "two hundred thirty-one million, two hundred forty-four thousand, thirty".