131320012322 has 4 divisors (see below), whose sum is σ = 196980018486. Its totient is φ = 65660006160.

The previous prime is 131320012253. The next prime is 131320012331. The reversal of 131320012322 is 223210023131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223210023131 = 93827 ⋅2378953.

It can be written as a sum of positive squares in only one way, i.e., 112259172601 + 19060839721 = 335051^2 + 138061^2 .

It is a super-3 number, since 3×131320012322³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131320012294 and 131320012303.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 32830003079 + ... + 32830003082.

Almost surely, 2^131320012322 is an apocalyptic number.

131320012322 is a deficient number, since it is larger than the sum of its proper divisors (65660006164).

131320012322 is an equidigital number, since it uses as much as digits as its factorization.

131320012322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65660006163.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131320012322 its reverse (223210023131), we get a palindrome (354530035453).

The spelling of 131320012322 in words is "one hundred thirty-one billion, three hundred twenty million, twelve thousand, three hundred twenty-two".