631052211 has 8 divisors (see below), whose sum is σ = 844531920. Its totient is φ = 419136992.

The previous prime is 631052167. The next prime is 631052243. The reversal of 631052211 is 112250136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 631052211 - 2⁷ = 631052083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (631052281) 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 in 7 ways as a sum of consecutive naturals, for example, 390180 + ... + 391793.

It is an arithmetic number, because the mean of its divisors is an integer number (105566490).

Almost surely, 2^631052211 is an apocalyptic number.

631052211 is a deficient number, since it is larger than the sum of its proper divisors (213479709).

631052211 is a wasteful number, since it uses less digits than its factorization.

631052211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782245.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 631052211 is about 25120.7525962102. The cubic root of 631052211 is about 857.7388822400.

The spelling of 631052211 in words is "six hundred thirty-one million, fifty-two thousand, two hundred eleven".