131021220413053 has 2 divisors, whose sum is σ = 131021220413054. Its totient is φ = 131021220413052.

The previous prime is 131021220412997. The next prime is 131021220413081. The reversal of 131021220413053 is 350314022120131.

It is an a-pointer prime, because the next prime (131021220413081) can be obtained adding 131021220413053 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129709822116484 + 1311398296569 = 11389022^2 + 1145163^2 .

It is a cyclic number.

It is not a de Polignac number, because 131021220413053 - 2⁹ = 131021220412541 is a prime.

It is a super-2 number, since 2×131021220413053² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131021220413353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510610206526 + 65510610206527.

It is an arithmetic number, because the mean of its divisors is an integer number (65510610206527).

Almost surely, 2^{131021220413053} is an apocalyptic number.

It is an amenable number.

131021220413053 is a deficient number, since it is larger than the sum of its proper divisors (1).

131021220413053 is an equidigital number, since it uses as much as digits as its factorization.

131021220413053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 131021220413053 its reverse (350314022120131), we get a palindrome (481335242533184).

The spelling of 131021220413053 in words is "one hundred thirty-one trillion, twenty-one billion, two hundred twenty million, four hundred thirteen thousand, fifty-three".