1231333320304 has 20 divisors (see below), whose sum is σ = 2390451282576. Its totient is φ = 614442666752.

The previous prime is 1231333320241. The next prime is 1231333320439. The reversal of 1231333320304 is 4030233331321.

It is a congruent number.

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, 76491289 + ... + 76507384.

Almost surely, 2^{1231333320304} is an apocalyptic number.

It is an amenable number.

1231333320304 is a deficient number, since it is larger than the sum of its proper divisors (1159117962272).

1231333320304 is a wasteful number, since it uses less digits than its factorization.

1231333320304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152999184 (or 152999178 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 1231333320304 its reverse (4030233331321), we get a palindrome (5261566651625).

The spelling of 1231333320304 in words is "one trillion, two hundred thirty-one billion, three hundred thirty-three million, three hundred twenty thousand, three hundred four".