131021301013322 has 4 divisors (see below), whose sum is σ = 196531951519986. Its totient is φ = 65510650506660.

The previous prime is 131021301013279. The next prime is 131021301013327. The reversal of 131021301013322 is 223310103120131.

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., 130853718035161 + 167582978161 = 11439131^2 + 409369^2 .

It is not an unprimeable number, because it can be changed into a prime (131021301013327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32755325253329 + ... + 32755325253332.

Almost surely, 2^{131021301013322} is an apocalyptic number.

131021301013322 is a deficient number, since it is larger than the sum of its proper divisors (65510650506664).

131021301013322 is an equidigital number, since it uses as much as digits as its factorization.

131021301013322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65510650506663.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 131021301013322 its reverse (223310103120131), we get a palindrome (354331404133453).

The spelling of 131021301013322 in words is "one hundred thirty-one trillion, twenty-one billion, three hundred one million, thirteen thousand, three hundred twenty-two".