133131031321013 has 16 divisors (see below), whose sum is σ = 149214072232896. Its totient is φ = 117713771821440.

The previous prime is 133131031321009. The next prime is 133131031321049. The reversal of 133131031321013 is 310123130131331.

It is a cyclic number.

It is not a de Polignac number, because 133131031321013 - 2² = 133131031321009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133131031321313) 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, 59180231 + ... + 61388612.

It is an arithmetic number, because the mean of its divisors is an integer number (9325879514556).

Almost surely, 2^{133131031321013} is an apocalyptic number.

It is an amenable number.

133131031321013 is a deficient number, since it is larger than the sum of its proper divisors (16083040911883).

133131031321013 is a wasteful number, since it uses less digits than its factorization.

133131031321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120571604.

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

Adding to 133131031321013 its reverse (310123130131331), we get a palindrome (443254161452344).

The spelling of 133131031321013 in words is "one hundred thirty-three trillion, one hundred thirty-one billion, thirty-one million, three hundred twenty-one thousand, thirteen".