631326950 has 12 divisors (see below), whose sum is σ = 1174268220. Its totient is φ = 252530760.

The previous prime is 631326919. The next prime is 631327001. The reversal of 631326950 is 59623136.

It is a self number, because there is not a number n which added to its sum of digits gives 631326950.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6313220 + ... + 6313319.

It is an arithmetic number, because the mean of its divisors is an integer number (97855685).

Almost surely, 2^631326950 is an apocalyptic number.

631326950 is a deficient number, since it is larger than the sum of its proper divisors (542941270).

631326950 is a wasteful number, since it uses less digits than its factorization.

631326950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12626551 (or 12626546 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 631326950 is about 25126.2203683722. The cubic root of 631326950 is about 857.8633411085.

The spelling of 631326950 in words is "six hundred thirty-one million, three hundred twenty-six thousand, nine hundred fifty".