231642334 has 16 divisors (see below), whose sum is σ = 433201536. Its totient is φ = 90250200.

The previous prime is 231642283. The next prime is 231642373. The reversal of 231642334 is 433246132.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 751932 + ... + 752239.

It is an arithmetic number, because the mean of its divisors is an integer number (27075096).

Almost surely, 2^231642334 is an apocalyptic number.

231642334 is a deficient number, since it is larger than the sum of its proper divisors (201559202).

231642334 is a wasteful number, since it uses less digits than its factorization.

231642334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504191.

The product of its digits is 10368, while the sum is 28.

The square root of 231642334 is about 15219.8007214286. The cubic root of 231642334 is about 614.1474374227.

Adding to 231642334 its reverse (433246132), we get a palindrome (664888466).

The spelling of 231642334 in words is "two hundred thirty-one million, six hundred forty-two thousand, three hundred thirty-four".