1320331234 has 8 divisors (see below), whose sum is σ = 1989883728. Its totient is φ = 657036660.

The previous prime is 1320331189. The next prime is 1320331237. The reversal of 1320331234 is 4321330231.

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

It is not an unprimeable number, because it can be changed into a prime (1320331237) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1563952 + ... + 1564795.

It is an arithmetic number, because the mean of its divisors is an integer number (248735466).

Almost surely, 2^1320331234 is an apocalyptic number.

1320331234 is a deficient number, since it is larger than the sum of its proper divisors (669552494).

1320331234 is a wasteful number, since it uses less digits than its factorization.

1320331234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128960.

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

The square root of 1320331234 is about 36336.3624211340. The cubic root of 1320331234 is about 1097.0530580861.

Adding to 1320331234 its reverse (4321330231), we get a palindrome (5641661465).

The spelling of 1320331234 in words is "one billion, three hundred twenty million, three hundred thirty-one thousand, two hundred thirty-four".