631205630461327 has 2 divisors, whose sum is σ = 631205630461328. Its totient is φ = 631205630461326.

The previous prime is 631205630461313. The next prime is 631205630461349. The reversal of 631205630461327 is 723164036502136.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-631205630461327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (631205630461387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315602815230663 + 315602815230664.

It is an arithmetic number, because the mean of its divisors is an integer number (315602815230664).

Almost surely, 2^{631205630461327} is an apocalyptic number.

631205630461327 is a deficient number, since it is larger than the sum of its proper divisors (1).

631205630461327 is an equidigital number, since it uses as much as digits as its factorization.

631205630461327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 631205630461327 in words is "six hundred thirty-one trillion, two hundred five billion, six hundred thirty million, four hundred sixty-one thousand, three hundred twenty-seven".