133203102013 has 4 divisors (see below), whose sum is σ = 141038578620. Its totient is φ = 125367625408.

The previous prime is 133203102007. The next prime is 133203102023. The reversal of 133203102013 is 310201302331.

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 36480236004 + 96722866009 = 190998^2 + 311003^2 .

It is a cyclic number.

It is not a de Polignac number, because 133203102013 - 2⁵ = 133203101981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133203102023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3917738278 + ... + 3917738311.

It is an arithmetic number, because the mean of its divisors is an integer number (35259644655).

Almost surely, 2^133203102013 is an apocalyptic number.

It is an amenable number.

133203102013 is a deficient number, since it is larger than the sum of its proper divisors (7835476607).

133203102013 is an equidigital number, since it uses as much as digits as its factorization.

133203102013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7835476606.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 133203102013 its reverse (310201302331), we get a palindrome (443404404344).

The spelling of 133203102013 in words is "one hundred thirty-three billion, two hundred three million, one hundred two thousand, thirteen".