131013121322 has 16 divisors (see below), whose sum is σ = 207170237760. Its totient is φ = 61966622592.

The previous prime is 131013121241. The next prime is 131013121333. The reversal of 131013121322 is 223121310131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131013121294 and 131013121303.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2535878 + ... + 2587025.

It is an arithmetic number, because the mean of its divisors is an integer number (12948139860).

Almost surely, 2^131013121322 is an apocalyptic number.

131013121322 is a deficient number, since it is larger than the sum of its proper divisors (76157116438).

131013121322 is a wasteful number, since it uses less digits than its factorization.

131013121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123597.

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

Adding to 131013121322 its reverse (223121310131), we get a palindrome (354134431453).

The spelling of 131013121322 in words is "one hundred thirty-one billion, thirteen million, one hundred twenty-one thousand, three hundred twenty-two".