231436306 has 8 divisors (see below), whose sum is σ = 347253120. Its totient is φ = 115685268.

The previous prime is 231436301. The next prime is 231436333. The reversal of 231436306 is 603634132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (231436301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6426 + ... + 22453.

It is an arithmetic number, because the mean of its divisors is an integer number (43406640).

Almost surely, 2^231436306 is an apocalyptic number.

231436306 is a deficient number, since it is larger than the sum of its proper divisors (115816814).

231436306 is a wasteful number, since it uses less digits than its factorization.

231436306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32888.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 231436306 is about 15213.0307959985. The cubic root of 231436306 is about 613.9653044795.

The spelling of 231436306 in words is "two hundred thirty-one million, four hundred thirty-six thousand, three hundred six".