1320131233 has 8 divisors (see below), whose sum is σ = 1335622400. Its totient is φ = 1304725968.

The previous prime is 1320131227. The next prime is 1320131287. The reversal of 1320131233 is 3321310231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320131233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320131233.

It is not an unprimeable number, because it can be changed into a prime (1320131833) 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 7 ways as a sum of consecutive naturals, for example, 9703 + ... + 52291.

It is an arithmetic number, because the mean of its divisors is an integer number (166952800).

Almost surely, 2^1320131233 is an apocalyptic number.

It is an amenable number.

1320131233 is a deficient number, since it is larger than the sum of its proper divisors (15491167).

1320131233 is a wasteful number, since it uses less digits than its factorization.

1320131233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42951.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1320131233 is about 36333.6102390060. The cubic root of 1320131233 is about 1096.9976621919.

Adding to 1320131233 its reverse (3321310231), we get a palindrome (4641441464).

The spelling of 1320131233 in words is "one billion, three hundred twenty million, one hundred thirty-one thousand, two hundred thirty-three".