231030344 has 16 divisors (see below), whose sum is σ = 433765500. Its totient is φ = 115359552.

The previous prime is 231030341. The next prime is 231030347. The reversal of 231030344 is 443030132.

231030344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231030341) and next prime (231030347).

It can be written as a sum of positive squares in 2 ways, for example, as 211120900 + 19909444 = 14530^2 + 4462^2 .

It is not an unprimeable number, because it can be changed into a prime (231030341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13019 + ... + 25130.

Almost surely, 2^231030344 is an apocalyptic number.

It is an amenable number.

231030344 is a deficient number, since it is larger than the sum of its proper divisors (202735156).

231030344 is a wasteful number, since it uses less digits than its factorization.

231030344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38912 (or 38908 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 231030344 is about 15199.6823651022. The cubic root of 231030344 is about 613.6061092381.

Adding to 231030344 its reverse (443030132), we get a palindrome (674060476).

The spelling of 231030344 in words is "two hundred thirty-one million, thirty thousand, three hundred forty-four".