131323211301 has 4 divisors (see below), whose sum is σ = 175097615072. Its totient is φ = 87548807532.

The previous prime is 131323211281. The next prime is 131323211323. The reversal of 131323211301 is 103112323131.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 103112323131 = 3 ⋅34370774377.

It is a de Polignac number, because none of the positive numbers 2^k-131323211301 is a prime.

It is a super-2 number, since 2×131323211301² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131323211401) 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, 21887201881 + ... + 21887201886.

It is an arithmetic number, because the mean of its divisors is an integer number (43774403768).

Almost surely, 2^131323211301 is an apocalyptic number.

It is an amenable number.

131323211301 is a deficient number, since it is larger than the sum of its proper divisors (43774403771).

131323211301 is an equidigital number, since it uses as much as digits as its factorization.

131323211301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43774403770.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131323211301 its reverse (103112323131), we get a palindrome (234435534432).

The spelling of 131323211301 in words is "one hundred thirty-one billion, three hundred twenty-three million, two hundred eleven thousand, three hundred one".