133431400240103 has 4 divisors (see below), whose sum is σ = 152493028845840. Its totient is φ = 114369771634368.

The previous prime is 133431400240097. The next prime is 133431400240139. The reversal of 133431400240103 is 301042004134331.

It is a happy number.

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 133431400240103 - 2²⁴ = 133431383462887 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 (133431400240703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9530814302858 + ... + 9530814302871.

It is an arithmetic number, because the mean of its divisors is an integer number (38123257211460).

Almost surely, 2^{133431400240103} is an apocalyptic number.

133431400240103 is a deficient number, since it is larger than the sum of its proper divisors (19061628605737).

133431400240103 is an equidigital number, since it uses as much as digits as its factorization.

133431400240103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19061628605736.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 133431400240103 its reverse (301042004134331), we get a palindrome (434473404374434).

The spelling of 133431400240103 in words is "one hundred thirty-three trillion, four hundred thirty-one billion, four hundred million, two hundred forty thousand, one hundred three".