133011132331013 has 4 divisors (see below), whose sum is σ = 136255306290348. Its totient is φ = 129766958371680.

The previous prime is 133011132331009. The next prime is 133011132331037. The reversal of 133011132331013 is 310133231110331.

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 3882409166689 + 129128723164324 = 1970383^2 + 11363482^2 .

It is a cyclic number.

It is not a de Polignac number, because 133011132331013 - 2² = 133011132331009 is a prime.

It is a super-2 number, since 2×133011132331013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133011132331043) 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, 1622086979606 + ... + 1622086979687.

It is an arithmetic number, because the mean of its divisors is an integer number (34063826572587).

Almost surely, 2^{133011132331013} is an apocalyptic number.

It is an amenable number.

133011132331013 is a deficient number, since it is larger than the sum of its proper divisors (3244173959335).

133011132331013 is an equidigital number, since it uses as much as digits as its factorization.

133011132331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244173959334.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 133011132331013 its reverse (310133231110331), we get a palindrome (443144363441344).

The spelling of 133011132331013 in words is "one hundred thirty-three trillion, eleven billion, one hundred thirty-two million, three hundred thirty-one thousand, thirteen".