631097107 has 4 divisors (see below), whose sum is σ = 631675600. Its totient is φ = 630518616.

The previous prime is 631097087. The next prime is 631097119. The reversal of 631097107 is 701790136.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 631097107 - 2⁷ = 631096979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631097147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287607 + ... + 289792.

It is an arithmetic number, because the mean of its divisors is an integer number (157918900).

Almost surely, 2^631097107 is an apocalyptic number.

631097107 is a deficient number, since it is larger than the sum of its proper divisors (578493).

631097107 is a wasteful number, since it uses less digits than its factorization.

631097107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578492.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 631097107 is about 25121.6461841178. The cubic root of 631097107 is about 857.7592229403.

The spelling of 631097107 in words is "six hundred thirty-one million, ninety-seven thousand, one hundred seven".