131313020110021 has 4 divisors (see below), whose sum is σ = 131313043992672. Its totient is φ = 131312996227372.

The previous prime is 131313020109991. The next prime is 131313020110033. The reversal of 131313020110021 is 120011020313131.

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 131313020110021 - 2¹³ = 131313020101829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131313020170021) 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, 932310 + ... + 16232536.

It is an arithmetic number, because the mean of its divisors is an integer number (32828260998168).

Almost surely, 2^{131313020110021} is an apocalyptic number.

It is an amenable number.

131313020110021 is a deficient number, since it is larger than the sum of its proper divisors (23882651).

131313020110021 is an equidigital number, since it uses as much as digits as its factorization.

131313020110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23882650.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 131313020110021 its reverse (120011020313131), we get a palindrome (251324040423152).

The spelling of 131313020110021 in words is "one hundred thirty-one trillion, three hundred thirteen billion, twenty million, one hundred ten thousand, twenty-one".