231343322 has 16 divisors (see below), whose sum is σ = 398372352. Its totient is φ = 98701200.

The previous prime is 231343291. The next prime is 231343337. The reversal of 231343322 is 223343132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33929 + ... + 40172.

It is an arithmetic number, because the mean of its divisors is an integer number (24898272).

Almost surely, 2^231343322 is an apocalyptic number.

231343322 is a deficient number, since it is larger than the sum of its proper divisors (167029030).

231343322 is a wasteful number, since it uses less digits than its factorization.

231343322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74333.

The product of its digits is 2592, while the sum is 23.

The square root of 231343322 is about 15209.9744246991. The cubic root of 231343322 is about 613.8830693308.

Adding to 231343322 its reverse (223343132), we get a palindrome (454686454).

The spelling of 231343322 in words is "two hundred thirty-one million, three hundred forty-three thousand, three hundred twenty-two".