131122221223 has 8 divisors (see below), whose sum is σ = 149861148192. Its totient is φ = 112385089536.

The previous prime is 131122221221. The next prime is 131122221239. The reversal of 131122221223 is 322122221131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131122221223 - 2¹ = 131122221221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131122221194 and 131122221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131122221221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288490 + ... + 587767.

It is an arithmetic number, because the mean of its divisors is an integer number (18732643524).

Almost surely, 2^131122221223 is an apocalyptic number.

131122221223 is a deficient number, since it is larger than the sum of its proper divisors (18738926969).

131122221223 is an equidigital number, since it uses as much as digits as its factorization.

131122221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897641.

The product of its digits is 576, while the sum is 22.

Adding to 131122221223 its reverse (322122221131), we get a palindrome (453244442354).

The spelling of 131122221223 in words is "one hundred thirty-one billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred twenty-three".