131022113020322 has 4 divisors (see below), whose sum is σ = 196533169530486. Its totient is φ = 65511056510160.

The previous prime is 131022113020283. The next prime is 131022113020327. The reversal of 131022113020322 is 223020311220131.

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., 80836804283041 + 50185308737281 = 8990929^2 + 7084159^2 .

It is a super-2 number, since 2×131022113020322² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131022113020327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32755528255079 + ... + 32755528255082.

Almost surely, 2^{131022113020322} is an apocalyptic number.

131022113020322 is a deficient number, since it is larger than the sum of its proper divisors (65511056510164).

131022113020322 is an equidigital number, since it uses as much as digits as its factorization.

131022113020322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65511056510163.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131022113020322 its reverse (223020311220131), we get a palindrome (354042424240453).

The spelling of 131022113020322 in words is "one hundred thirty-one trillion, twenty-two billion, one hundred thirteen million, twenty thousand, three hundred twenty-two".