631006432254 has 64 divisors (see below), whose sum is σ = 1532392392960. Its totient is φ = 190879092000.

The previous prime is 631006432219. The next prime is 631006432421. The reversal of 631006432254 is 452234600136.

631006432254 is a `hidden beast` number, since 6 + 3 + 1 + 0 + 0 + 643 + 2 + 2 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 591037 + ... + 1269384.

It is an arithmetic number, because the mean of its divisors is an integer number (23943631140).

Almost surely, 2^631006432254 is an apocalyptic number.

631006432254 is an abundant number, since it is smaller than the sum of its proper divisors (901385960706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631006432254 is a wasteful number, since it uses less digits than its factorization.

631006432254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861014 (or 1861008 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 631006432254 in words is "six hundred thirty-one billion, six million, four hundred thirty-two thousand, two hundred fifty-four".