231120223330 has 16 divisors (see below), whose sum is σ = 416033194680. Its totient is φ = 92444357632.

The previous prime is 231120223319. The next prime is 231120223331. The reversal of 231120223330 is 33322021132.

It can be written as a sum of positive squares in 4 ways, for example, as 166154879641 + 64965343689 = 407621^2 + 254883^2 .

It is not an unprimeable number, because it can be changed into a prime (231120223331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199039 + ... + 708418.

Almost surely, 2^231120223330 is an apocalyptic number.

231120223330 is a deficient number, since it is larger than the sum of its proper divisors (184912971350).

231120223330 is a wasteful number, since it uses less digits than its factorization.

231120223330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932933.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 231120223330 its reverse (33322021132), we get a palindrome (264442244462).

The spelling of 231120223330 in words is "two hundred thirty-one billion, one hundred twenty million, two hundred twenty-three thousand, three hundred thirty".