631941146 has 16 divisors (see below), whose sum is σ = 1023235200. Its totient is φ = 291810288.

The previous prime is 631941139. The next prime is 631941157. The reversal of 631941146 is 641149136.

It is a super-2 number, since 2×631941146² = 798699224015586632, which contains 22 as substring.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 235526 + ... + 238193.

It is an arithmetic number, because the mean of its divisors is an integer number (63952200).

Almost surely, 2^631941146 is an apocalyptic number.

631941146 is a deficient number, since it is larger than the sum of its proper divisors (391294054).

631941146 is a wasteful number, since it uses less digits than its factorization.

631941146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473773.

The product of its digits is 15552, while the sum is 35.

The square root of 631941146 is about 25138.4396094905. The cubic root of 631941146 is about 858.1414460633.

The spelling of 631941146 in words is "six hundred thirty-one million, nine hundred forty-one thousand, one hundred forty-six".