1323031333133 has 4 divisors (see below), whose sum is σ = 1337896853820. Its totient is φ = 1308165812448.

The previous prime is 1323031333109. The next prime is 1323031333147. The reversal of 1323031333133 is 3313331303231.

It is a happy number.

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 498834263524 + 824197069609 = 706282^2 + 907853^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323031333133 - 2⁸ = 1323031332877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323031333096 and 1323031333105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323031333153) 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, 7432760210 + ... + 7432760387.

It is an arithmetic number, because the mean of its divisors is an integer number (334474213455).

Almost surely, 2^{1323031333133} is an apocalyptic number.

It is an amenable number.

1323031333133 is a deficient number, since it is larger than the sum of its proper divisors (14865520687).

1323031333133 is an equidigital number, since it uses as much as digits as its factorization.

1323031333133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14865520686.

The product of its (nonzero) digits is 13122, while the sum is 29.

Adding to 1323031333133 its reverse (3313331303231), we get a palindrome (4636362636364).

The spelling of 1323031333133 in words is "one trillion, three hundred twenty-three billion, thirty-one million, three hundred thirty-three thousand, one hundred thirty-three".