133301331323 has 4 divisors (see below), whose sum is σ = 136401362328. Its totient is φ = 130201300320.

The previous prime is 133301331301. The next prime is 133301331353. The reversal of 133301331323 is 323133103331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133301331323 - 2¹² = 133301327227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133301331292 and 133301331301.

It is not an unprimeable number, because it can be changed into a prime (133301331353) 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, 1550015438 + ... + 1550015523.

It is an arithmetic number, because the mean of its divisors is an integer number (34100340582).

Almost surely, 2^133301331323 is an apocalyptic number.

133301331323 is a deficient number, since it is larger than the sum of its proper divisors (3100031005).

133301331323 is an equidigital number, since it uses as much as digits as its factorization.

133301331323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100031004.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 133301331323 its reverse (323133103331), we get a palindrome (456434434654).

The spelling of 133301331323 in words is "one hundred thirty-three billion, three hundred one million, three hundred thirty-one thousand, three hundred twenty-three".