131022210223 has 4 divisors (see below), whose sum is σ = 131181799608. Its totient is φ = 130862620840.

The previous prime is 131022210191. The next prime is 131022210227. The reversal of 131022210223 is 322012220131.

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 131022210223 - 2⁵ = 131022210191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131022210223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022210227) 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, 79793461 + ... + 79795102.

It is an arithmetic number, because the mean of its divisors is an integer number (32795449902).

Almost surely, 2^131022210223 is an apocalyptic number.

131022210223 is a deficient number, since it is larger than the sum of its proper divisors (159589385).

131022210223 is an equidigital number, since it uses as much as digits as its factorization.

131022210223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159589384.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 131022210223 its reverse (322012220131), we get a palindrome (453034430354).

The spelling of 131022210223 in words is "one hundred thirty-one billion, twenty-two million, two hundred ten thousand, two hundred twenty-three".