630314780131 has 2 divisors, whose sum is σ = 630314780132. Its totient is φ = 630314780130.

The previous prime is 630314780113. The next prime is 630314780177. The reversal of 630314780131 is 131087413036.

Together with previous prime (630314780113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630314780131 - 2⁵ = 630314780099 is a prime.

It is a super-2 number, since 2×630314780131² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (630314780531) 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, 315157390065 + 315157390066.

It is an arithmetic number, because the mean of its divisors is an integer number (315157390066).

Almost surely, 2^630314780131 is an apocalyptic number.

630314780131 is a deficient number, since it is larger than the sum of its proper divisors (1).

630314780131 is an equidigital number, since it uses as much as digits as its factorization.

630314780131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 630314780131 in words is "six hundred thirty billion, three hundred fourteen million, seven hundred eighty thousand, one hundred thirty-one".