231133042 has 8 divisors (see below), whose sum is σ = 396228096. Its totient is φ = 99057012.

The previous prime is 231133039. The next prime is 231133093. The reversal of 231133042 is 240331132.

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

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 3 ways as a sum of consecutive naturals, for example, 8254738 + ... + 8254765.

It is an arithmetic number, because the mean of its divisors is an integer number (49528512).

Almost surely, 2^231133042 is an apocalyptic number.

231133042 is a deficient number, since it is larger than the sum of its proper divisors (165095054).

231133042 is a wasteful number, since it uses less digits than its factorization.

231133042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16509512.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 231133042 is about 15203.0602840349. The cubic root of 231133042 is about 613.6970161785.

Adding to 231133042 its reverse (240331132), we get a palindrome (471464174).

It can be divided in two parts, 2311 and 33042, that added together give a palindrome (35353).

The spelling of 231133042 in words is "two hundred thirty-one million, one hundred thirty-three thousand, forty-two".