231442322 has 8 divisors (see below), whose sum is σ = 347506572. Its totient is φ = 115606800.

The previous prime is 231442303. The next prime is 231442333. The reversal of 231442322 is 223244132.

It can be written as a sum of positive squares in 2 ways, for example, as 229189321 + 2253001 = 15139^2 + 1501^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54629 + ... + 58712.

Almost surely, 2^231442322 is an apocalyptic number.

231442322 is a deficient number, since it is larger than the sum of its proper divisors (116064250).

231442322 is a wasteful number, since it uses less digits than its factorization.

231442322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114364.

The product of its digits is 2304, while the sum is 23.

The square root of 231442322 is about 15213.2285199428. The cubic root of 231442322 is about 613.9706242776.

Adding to 231442322 its reverse (223244132), we get a palindrome (454686454).

The spelling of 231442322 in words is "two hundred thirty-one million, four hundred forty-two thousand, three hundred twenty-two".