133131013103 has 4 divisors (see below), whose sum is σ = 145233832488. Its totient is φ = 121028193720.

The previous prime is 133131013049. The next prime is 133131013123. The reversal of 133131013103 is 301310131331.

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 133131013103 - 2¹² = 133131009007 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 (133131013123) 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, 6051409676 + ... + 6051409697.

It is an arithmetic number, because the mean of its divisors is an integer number (36308458122).

Almost surely, 2^133131013103 is an apocalyptic number.

133131013103 is a deficient number, since it is larger than the sum of its proper divisors (12102819385).

133131013103 is a wasteful number, since it uses less digits than its factorization.

133131013103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12102819384.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 133131013103 its reverse (301310131331), we get a palindrome (434441144434).

The spelling of 133131013103 in words is "one hundred thirty-three billion, one hundred thirty-one million, thirteen thousand, one hundred three".