131102220313 has 4 divisors (see below), whose sum is σ = 131109228580. Its totient is φ = 131095212048.

The previous prime is 131102220247. The next prime is 131102220331. The reversal of 131102220313 is 313022201131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38593781209 + 92508439104 = 196453^2 + 304152^2 .

It is a cyclic number.

It is not a de Polignac number, because 131102220313 - 2¹³ = 131102212121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131102220013) 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, 3475998 + ... + 3513511.

It is an arithmetic number, because the mean of its divisors is an integer number (32777307145).

Almost surely, 2^131102220313 is an apocalyptic number.

It is an amenable number.

131102220313 is a deficient number, since it is larger than the sum of its proper divisors (7008267).

131102220313 is an equidigital number, since it uses as much as digits as its factorization.

131102220313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7008266.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131102220313 its reverse (313022201131), we get a palindrome (444124421444).

The spelling of 131102220313 in words is "one hundred thirty-one billion, one hundred two million, two hundred twenty thousand, three hundred thirteen".