131222313321 has 16 divisors (see below), whose sum is σ = 192039801600. Its totient is φ = 79040765520.

The previous prime is 131222313293. The next prime is 131222313323. The reversal of 131222313321 is 123313222131.

It is not a de Polignac number, because 131222313321 - 2⁷ = 131222313193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131222313291 and 131222313300.

It is not an unprimeable number, because it can be changed into a prime (131222313323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12192271 + ... + 12203028.

It is an arithmetic number, because the mean of its divisors is an integer number (12002487600).

Almost surely, 2^131222313321 is an apocalyptic number.

131222313321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131222313321 is a deficient number, since it is larger than the sum of its proper divisors (60817488279).

131222313321 is a wasteful number, since it uses less digits than its factorization.

131222313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24395476.

The product of its digits is 1296, while the sum is 24.

Adding to 131222313321 its reverse (123313222131), we get a palindrome (254535535452).

The spelling of 131222313321 in words is "one hundred thirty-one billion, two hundred twenty-two million, three hundred thirteen thousand, three hundred twenty-one".