131302323133 has 4 divisors (see below), whose sum is σ = 131428697920. Its totient is φ = 131175948348.

The previous prime is 131302323107. The next prime is 131302323143. The reversal of 131302323133 is 331323203131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131302323133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131302323098 and 131302323107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131302323143) 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, 63185835 + ... + 63187912.

It is an arithmetic number, because the mean of its divisors is an integer number (32857174480).

Almost surely, 2^131302323133 is an apocalyptic number.

It is an amenable number.

131302323133 is a deficient number, since it is larger than the sum of its proper divisors (126374787).

131302323133 is a wasteful number, since it uses less digits than its factorization.

131302323133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126374786.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 131302323133 its reverse (331323203131), we get a palindrome (462625526264).

The spelling of 131302323133 in words is "one hundred thirty-one billion, three hundred two million, three hundred twenty-three thousand, one hundred thirty-three".