131201013323 has 4 divisors (see below), whose sum is σ = 131203370640. Its totient is φ = 131198656008.

The previous prime is 131201013319. The next prime is 131201013347. The reversal of 131201013323 is 323310102131.

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 131201013323 - 2² = 131201013319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131201013295 and 131201013304.

It is not an unprimeable number, because it can be changed into a prime (131201013353) 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, 1093103 + ... + 1207176.

It is an arithmetic number, because the mean of its divisors is an integer number (32800842660).

Almost surely, 2^131201013323 is an apocalyptic number.

131201013323 is a deficient number, since it is larger than the sum of its proper divisors (2357317).

131201013323 is an equidigital number, since it uses as much as digits as its factorization.

131201013323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357316.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131201013323 its reverse (323310102131), we get a palindrome (454511115454).

The spelling of 131201013323 in words is "one hundred thirty-one billion, two hundred one million, thirteen thousand, three hundred twenty-three".