631196443 has 2 divisors, whose sum is σ = 631196444. Its totient is φ = 631196442.

The previous prime is 631196411. The next prime is 631196453. The reversal of 631196443 is 344691136.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 631196443 - 2⁵ = 631196411 is a prime.

It is not a weakly prime, because it can be changed into another prime (631196453) 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, 315598221 + 315598222.

It is an arithmetic number, because the mean of its divisors is an integer number (315598222).

Almost surely, 2^631196443 is an apocalyptic number.

631196443 is a deficient number, since it is larger than the sum of its proper divisors (1).

631196443 is an equidigital number, since it uses as much as digits as its factorization.

631196443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The square root of 631196443 is about 25123.6232060585. The cubic root of 631196443 is about 857.8042249424.

The spelling of 631196443 in words is "six hundred thirty-one million, one hundred ninety-six thousand, four hundred forty-three".