631336117 has 2 divisors, whose sum is σ = 631336118. Its totient is φ = 631336116.

The previous prime is 631336099. The next prime is 631336129. The reversal of 631336117 is 711633136.

631336117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588838756 + 42497361 = 24266^2 + 6519^2 .

It is a cyclic number.

It is not a de Polignac number, because 631336117 - 2⁷ = 631335989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (631336187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315668058 + 315668059.

It is an arithmetic number, because the mean of its divisors is an integer number (315668059).

Almost surely, 2^631336117 is an apocalyptic number.

It is an amenable number.

631336117 is a deficient number, since it is larger than the sum of its proper divisors (1).

631336117 is an equidigital number, since it uses as much as digits as its factorization.

631336117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 31.

The square root of 631336117 is about 25126.4027867102. The cubic root of 631336117 is about 857.8674932071.

The spelling of 631336117 in words is "six hundred thirty-one million, three hundred thirty-six thousand, one hundred seventeen".