631235005606 has 16 divisors (see below), whose sum is σ = 1018984959360. Its totient is φ = 292182065280.

The previous prime is 631235005603. The next prime is 631235005649. The reversal of 631235005606 is 606500532136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631235005603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152176086 + ... + 152180233.

It is an arithmetic number, because the mean of its divisors is an integer number (63686559960).

Almost surely, 2^631235005606 is an apocalyptic number.

631235005606 is a deficient number, since it is larger than the sum of its proper divisors (387749953754).

631235005606 is a wasteful number, since it uses less digits than its factorization.

631235005606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304356399.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 631235005606 in words is "six hundred thirty-one billion, two hundred thirty-five million, five thousand, six hundred six".