131113120322 has 4 divisors (see below), whose sum is σ = 196669680486. Its totient is φ = 65556560160.

The previous prime is 131113120321. The next prime is 131113120337. The reversal of 131113120322 is 223021311131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 122926670881 + 8186449441 = 350609^2 + 90479^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131113120294 and 131113120303.

It is not an unprimeable number, because it can be changed into a prime (131113120321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32778280079 + ... + 32778280082.

Almost surely, 2^131113120322 is an apocalyptic number.

131113120322 is a deficient number, since it is larger than the sum of its proper divisors (65556560164).

131113120322 is an equidigital number, since it uses as much as digits as its factorization.

131113120322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65556560163.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131113120322 its reverse (223021311131), we get a palindrome (354134431453).

The spelling of 131113120322 in words is "one hundred thirty-one billion, one hundred thirteen million, one hundred twenty thousand, three hundred twenty-two".