231304342 has 16 divisors (see below), whose sum is σ = 353106864. Its totient is φ = 113620000.

The previous prime is 231304321. The next prime is 231304351. The reversal of 231304342 is 243403132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22092 + ... + 30832.

It is an arithmetic number, because the mean of its divisors is an integer number (22069179).

Almost surely, 2^231304342 is an apocalyptic number.

231304342 is a deficient number, since it is larger than the sum of its proper divisors (121802522).

231304342 is a wasteful number, since it uses less digits than its factorization.

231304342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8975.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 231304342 is about 15208.6929747431. The cubic root of 231304342 is about 613.8485888223.

Adding to 231304342 its reverse (243403132), we get a palindrome (474707474).

It can be divided in two parts, 23130 and 4342, that added together give a palindrome (27472).

The spelling of 231304342 in words is "two hundred thirty-one million, three hundred four thousand, three hundred forty-two".