131203021333 has 4 divisors (see below), whose sum is σ = 131204707660. Its totient is φ = 131201335008.

The previous prime is 131203021307. The next prime is 131203021373. The reversal of 131203021333 is 333120302131.

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 72123399364 + 59079621969 = 268558^2 + 243063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131203021333 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 (131203021303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720510 + ... + 884047.

It is an arithmetic number, because the mean of its divisors is an integer number (32801176915).

Almost surely, 2^131203021333 is an apocalyptic number.

It is an amenable number.

131203021333 is a deficient number, since it is larger than the sum of its proper divisors (1686327).

131203021333 is an equidigital number, since it uses as much as digits as its factorization.

131203021333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686326.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 131203021333 its reverse (333120302131), we get a palindrome (464323323464).

The spelling of 131203021333 in words is "one hundred thirty-one billion, two hundred three million, twenty-one thousand, three hundred thirty-three".