131313232211223 has 16 divisors (see below), whose sum is σ = 181836726063840. Its totient is φ = 84219115216896.

The previous prime is 131313232211177. The next prime is 131313232211251. The reversal of 131313232211223 is 322112232313131.

It is a happy number.

It is not a de Polignac number, because 131313232211223 - 2³² = 131308937243927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131313232216223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6646069290 + ... + 6646089047.

It is an arithmetic number, because the mean of its divisors is an integer number (11364795378990).

Almost surely, 2^{131313232211223} is an apocalyptic number.

131313232211223 is a deficient number, since it is larger than the sum of its proper divisors (50523493852617).

131313232211223 is a wasteful number, since it uses less digits than its factorization.

131313232211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13292158466.

The product of its digits is 7776, while the sum is 30.

Adding to 131313232211223 its reverse (322112232313131), we get a palindrome (453425464524354).

The spelling of 131313232211223 in words is "one hundred thirty-one trillion, three hundred thirteen billion, two hundred thirty-two million, two hundred eleven thousand, two hundred twenty-three".