631346673 has 16 divisors (see below), whose sum is σ = 850784256. Its totient is φ = 416427600.

The previous prime is 631346641. The next prime is 631346699. The reversal of 631346673 is 376643136.

631346673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 631346673 - 2⁵ = 631346641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (631346603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108898 + ... + 114548.

It is an arithmetic number, because the mean of its divisors is an integer number (53174016).

Almost surely, 2^631346673 is an apocalyptic number.

It is an amenable number.

631346673 is a deficient number, since it is larger than the sum of its proper divisors (219437583).

631346673 is a wasteful number, since it uses less digits than its factorization.

631346673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044.

The product of its digits is 163296, while the sum is 39.

The square root of 631346673 is about 25126.6128437559. The cubic root of 631346673 is about 857.8722743892.

The spelling of 631346673 in words is "six hundred thirty-one million, three hundred forty-six thousand, six hundred seventy-three".