133122310313 has 4 divisors (see below), whose sum is σ = 133617189060. Its totient is φ = 132627431568.

The previous prime is 133122310303. The next prime is 133122310319. The reversal of 133122310313 is 313013221331.

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 35695300624 + 97427009689 = 188932^2 + 312133^2 .

It is a cyclic number.

It is not a de Polignac number, because 133122310313 - 2¹² = 133122306217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133122310319) 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, 247438970 + ... + 247439507.

It is an arithmetic number, because the mean of its divisors is an integer number (33404297265).

Almost surely, 2^133122310313 is an apocalyptic number.

It is an amenable number.

133122310313 is a deficient number, since it is larger than the sum of its proper divisors (494878747).

133122310313 is an equidigital number, since it uses as much as digits as its factorization.

133122310313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494878746.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 133122310313 its reverse (313013221331), we get a palindrome (446135531644).

The spelling of 133122310313 in words is "one hundred thirty-three billion, one hundred twenty-two million, three hundred ten thousand, three hundred thirteen".