131321102010313 has 4 divisors (see below), whose sum is σ = 139045872716820. Its totient is φ = 123596331303808.

The previous prime is 131321102010281. The next prime is 131321102010323. The reversal of 131321102010313 is 313010201123131.

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 66382131035529 + 64938970974784 = 8147523^2 + 8058472^2 .

It is a cyclic number.

It is not a de Polignac number, because 131321102010313 - 2⁵ = 131321102010281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131321102010323) 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, 3862385353228 + ... + 3862385353261.

It is an arithmetic number, because the mean of its divisors is an integer number (34761468179205).

Almost surely, 2^{131321102010313} is an apocalyptic number.

It is an amenable number.

131321102010313 is a deficient number, since it is larger than the sum of its proper divisors (7724770706507).

131321102010313 is an equidigital number, since it uses as much as digits as its factorization.

131321102010313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7724770706506.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 131321102010313 its reverse (313010201123131), we get a palindrome (444331303133444).

The spelling of 131321102010313 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, one hundred two million, ten thousand, three hundred thirteen".