131122220212313 has 4 divisors (see below), whose sum is σ = 143042422049808. Its totient is φ = 119202018374820.

The previous prime is 131122220212199. The next prime is 131122220212331. The reversal of 131122220212313 is 313212022221131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131122220212313 - 2¹⁶ = 131122220146777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131122220212913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5960100918731 + ... + 5960100918752.

It is an arithmetic number, because the mean of its divisors is an integer number (35760605512452).

Almost surely, 2^{131122220212313} is an apocalyptic number.

It is an amenable number.

131122220212313 is a deficient number, since it is larger than the sum of its proper divisors (11920201837495).

131122220212313 is a wasteful number, since it uses less digits than its factorization.

131122220212313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11920201837494.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 131122220212313 its reverse (313212022221131), we get a palindrome (444334242433444).

The spelling of 131122220212313 in words is "one hundred thirty-one trillion, one hundred twenty-two billion, two hundred twenty million, two hundred twelve thousand, three hundred thirteen".