231042746 has 32 divisors (see below), whose sum is σ = 388100160. Its totient is φ = 102268800.

The previous prime is 231042709. The next prime is 231042769. The reversal of 231042746 is 647240132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142790 + ... + 144398.

It is an arithmetic number, because the mean of its divisors is an integer number (12128130).

Almost surely, 2^231042746 is an apocalyptic number.

231042746 is a deficient number, since it is larger than the sum of its proper divisors (157057414).

231042746 is a wasteful number, since it uses less digits than its factorization.

231042746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 231042746 is about 15200.0903286790. The cubic root of 231042746 is about 613.6170887580.

Adding to 231042746 its reverse (647240132), we get a palindrome (878282878).

The spelling of 231042746 in words is "two hundred thirty-one million, forty-two thousand, seven hundred forty-six".