231603046 has 32 divisors (see below), whose sum is σ = 379192320. Its totient is φ = 105688800.

The previous prime is 231603041. The next prime is 231603049. The reversal of 231603046 is 640306132.

It is a self number, because there is not a number n which added to its sum of digits gives 231603046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231603041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495705 + ... + 496171.

It is an arithmetic number, because the mean of its divisors is an integer number (11849760).

Almost surely, 2^231603046 is an apocalyptic number.

231603046 is a deficient number, since it is larger than the sum of its proper divisors (147589274).

231603046 is a wasteful number, since it uses less digits than its factorization.

231603046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 231603046 is about 15218.5099796268. The cubic root of 231603046 is about 614.1127143673.

Adding to 231603046 its reverse (640306132), we get a palindrome (871909178).

The spelling of 231603046 in words is "two hundred thirty-one million, six hundred three thousand, forty-six".