1301323133 has 16 divisors (see below), whose sum is σ = 1433168640. Its totient is φ = 1171776000.

The previous prime is 1301323117. The next prime is 1301323139. The reversal of 1301323133 is 3313231031.

It is a cyclic number.

It is not a de Polignac number, because 1301323133 - 2⁴ = 1301323117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301323139) 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 15 ways as a sum of consecutive naturals, for example, 1082933 + ... + 1084133.

It is an arithmetic number, because the mean of its divisors is an integer number (89573040).

Almost surely, 2^1301323133 is an apocalyptic number.

It is an amenable number.

1301323133 is a deficient number, since it is larger than the sum of its proper divisors (131845507).

1301323133 is a wasteful number, since it uses less digits than its factorization.

1301323133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 1301323133 is about 36073.8566416179. The cubic root of 1301323133 is about 1091.7630287786.

Adding to 1301323133 its reverse (3313231031), we get a palindrome (4614554164).

The spelling of 1301323133 in words is "one billion, three hundred one million, three hundred twenty-three thousand, one hundred thirty-three".