631341255 has 8 divisors (see below), whose sum is σ = 1010146032. Its totient is φ = 336715328.

The previous prime is 631341251. The next prime is 631341289. The reversal of 631341255 is 552143136.

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 631341255 - 2² = 631341251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631341251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21044694 + ... + 21044723.

It is an arithmetic number, because the mean of its divisors is an integer number (126268254).

Almost surely, 2^631341255 is an apocalyptic number.

631341255 is a deficient number, since it is larger than the sum of its proper divisors (378804777).

631341255 is a wasteful number, since it uses less digits than its factorization.

631341255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42089425.

The product of its digits is 10800, while the sum is 30.

The square root of 631341255 is about 25126.5050295500. The cubic root of 631341255 is about 857.8698203939.

The spelling of 631341255 in words is "six hundred thirty-one million, three hundred forty-one thousand, two hundred fifty-five".