1320322133233 has 4 divisors (see below), whose sum is σ = 1321600277668. Its totient is φ = 1319043988800.

The previous prime is 1320322133231. The next prime is 1320322133257. The reversal of 1320322133233 is 3323312230231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 667761905889 + 652560227344 = 817167^2 + 807812^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320322133233 - 2¹ = 1320322133231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320322133231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639070668 + ... + 639072733.

It is an arithmetic number, because the mean of its divisors is an integer number (330400069417).

Almost surely, 2^{1320322133233} is an apocalyptic number.

It is an amenable number.

1320322133233 is a deficient number, since it is larger than the sum of its proper divisors (1278144435).

1320322133233 is a wasteful number, since it uses less digits than its factorization.

1320322133233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278144434.

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

Adding to 1320322133233 its reverse (3323312230231), we get a palindrome (4643634363464).

It can be divided in two parts, 13203 and 22133233, that added together give a square (22146436 = 4706²).

The spelling of 1320322133233 in words is "one trillion, three hundred twenty billion, three hundred twenty-two million, one hundred thirty-three thousand, two hundred thirty-three".