231340412 has 6 divisors (see below), whose sum is σ = 404845728. Its totient is φ = 115670204.

The previous prime is 231340397. The next prime is 231340429. The reversal of 231340412 is 214043132.

231340412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28917548 + ... + 28917555.

It is an arithmetic number, because the mean of its divisors is an integer number (67474288).

Almost surely, 2^231340412 is an apocalyptic number.

It is an amenable number.

231340412 is a deficient number, since it is larger than the sum of its proper divisors (173505316).

231340412 is a wasteful number, since it uses less digits than its factorization.

231340412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57835107 (or 57835105 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 231340412 is about 15209.8787634879. The cubic root of 231340412 is about 613.8804953682.

Adding to 231340412 its reverse (214043132), we get a palindrome (445383544).

The spelling of 231340412 in words is "two hundred thirty-one million, three hundred forty thousand, four hundred twelve".