133123311313 has 16 divisors (see below), whose sum is σ = 137473712640. Its totient is φ = 128841463296.

The previous prime is 133123311239. The next prime is 133123311361. The reversal of 133123311313 is 313113321331.

It is a cyclic number.

It is not a de Polignac number, because 133123311313 - 2²⁵ = 133089756881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133123311413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2302981 + ... + 2360077.

It is an arithmetic number, because the mean of its divisors is an integer number (8592107040).

Almost surely, 2^133123311313 is an apocalyptic number.

It is an amenable number.

133123311313 is a deficient number, since it is larger than the sum of its proper divisors (4350401327).

133123311313 is a wasteful number, since it uses less digits than its factorization.

133123311313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57696.

The product of its digits is 1458, while the sum is 25.

Adding to 133123311313 its reverse (313113321331), we get a palindrome (446236632644).

The spelling of 133123311313 in words is "one hundred thirty-three billion, one hundred twenty-three million, three hundred eleven thousand, three hundred thirteen".