610420521455131 has 2 divisors, whose sum is σ = 610420521455132. Its totient is φ = 610420521455130.

The previous prime is 610420521455099. The next prime is 610420521455207. The reversal of 610420521455131 is 131554125024016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 610420521455131 - 2⁵ = 610420521455099 is a prime.

It is a super-2 number, since 2×610420521455131² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (610420521455231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305210260727565 + 305210260727566.

It is an arithmetic number, because the mean of its divisors is an integer number (305210260727566).

Almost surely, 2^{610420521455131} is an apocalyptic number.

610420521455131 is a deficient number, since it is larger than the sum of its proper divisors (1).

610420521455131 is an equidigital number, since it uses as much as digits as its factorization.

610420521455131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 610420521455131 its reverse (131554125024016), we get a palindrome (741974646479147).

The spelling of 610420521455131 in words is "six hundred ten trillion, four hundred twenty billion, five hundred twenty-one million, four hundred fifty-five thousand, one hundred thirty-one".