131020276553 has 2 divisors, whose sum is σ = 131020276554. Its totient is φ = 131020276552.

The previous prime is 131020276529. The next prime is 131020276619. The reversal of 131020276553 is 355672020131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128803467664 + 2216808889 = 358892^2 + 47083^2 .

It is an emirp because it is prime and its reverse (355672020131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131020276553 - 2⁶ = 131020276489 is a prime.

It is not a weakly prime, because it can be changed into another prime (131020270553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510138276 + 65510138277.

It is an arithmetic number, because the mean of its divisors is an integer number (65510138277).

Almost surely, 2^131020276553 is an apocalyptic number.

It is an amenable number.

131020276553 is a deficient number, since it is larger than the sum of its proper divisors (1).

131020276553 is an equidigital number, since it uses as much as digits as its factorization.

131020276553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

Adding to 131020276553 its reverse (355672020131), we get a palindrome (486692296684).

The spelling of 131020276553 in words is "one hundred thirty-one billion, twenty million, two hundred seventy-six thousand, five hundred fifty-three".