131011222323 has 16 divisors (see below), whose sum is σ = 182320275456. Its totient is φ = 83523316800.

The previous prime is 131011222319. The next prime is 131011222343. The reversal of 131011222323 is 323222110131.

It is not a de Polignac number, because 131011222323 - 2² = 131011222319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131011222323.

It is not an unprimeable number, because it can be changed into a prime (131011222343) 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 15 ways as a sum of consecutive naturals, for example, 63886 + ... + 515852.

It is an arithmetic number, because the mean of its divisors is an integer number (11395017216).

Almost surely, 2^131011222323 is an apocalyptic number.

131011222323 is a deficient number, since it is larger than the sum of its proper divisors (51309053133).

131011222323 is a wasteful number, since it uses less digits than its factorization.

131011222323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456194.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131011222323 its reverse (323222110131), we get a palindrome (454233332454).

The spelling of 131011222323 in words is "one hundred thirty-one billion, eleven million, two hundred twenty-two thousand, three hundred twenty-three".