131011022223 has 36 divisors (see below), whose sum is σ = 209460429360. Its totient is φ = 78628902528.

The previous prime is 131011022161. The next prime is 131011022227. The reversal of 131011022223 is 322220110131.

131011022223 is a `hidden beast` number, since 1 + 310 + 110 + 22 + 223 = 666.

It is not a de Polignac number, because 131011022223 - 2¹³ = 131011014031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131011022196 and 131011022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131011022227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 728403 + ... + 890276.

It is an arithmetic number, because the mean of its divisors is an integer number (5818345260).

Almost surely, 2^131011022223 is an apocalyptic number.

131011022223 is a deficient number, since it is larger than the sum of its proper divisors (78449407137).

131011022223 is a wasteful number, since it uses less digits than its factorization.

131011022223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618748 (or 1618722 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 131011022223 its reverse (322220110131), we get a palindrome (453231132354).

The spelling of 131011022223 in words is "one hundred thirty-one billion, eleven million, twenty-two thousand, two hundred twenty-three".