131010313321 has 4 divisors (see below), whose sum is σ = 131080261972. Its totient is φ = 130940364672.

The previous prime is 131010313307. The next prime is 131010313327. The reversal of 131010313321 is 123313010131.

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 1114224400 + 129896088921 = 33380^2 + 360411^2 .

It is a cyclic number.

It is not a de Polignac number, because 131010313321 - 2⁹ = 131010312809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131010313327) 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, 34971516 + ... + 34975261.

It is an arithmetic number, because the mean of its divisors is an integer number (32770065493).

Almost surely, 2^131010313321 is an apocalyptic number.

It is an amenable number.

131010313321 is a deficient number, since it is larger than the sum of its proper divisors (69948651).

131010313321 is an equidigital number, since it uses as much as digits as its factorization.

131010313321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69948650.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131010313321 its reverse (123313010131), we get a palindrome (254323323452).

The spelling of 131010313321 in words is "one hundred thirty-one billion, ten million, three hundred thirteen thousand, three hundred twenty-one".