631413255 has 32 divisors (see below), whose sum is σ = 1113493248. Its totient is φ = 302976000.

The previous prime is 631413253. The next prime is 631413329. The reversal of 631413255 is 552314136.

It is not a de Polignac number, because 631413255 - 2¹ = 631413253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631413253) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3721 + ... + 35730.

It is an arithmetic number, because the mean of its divisors is an integer number (34796664).

Almost surely, 2^631413255 is an apocalyptic number.

631413255 is a deficient number, since it is larger than the sum of its proper divisors (482079993).

631413255 is a wasteful number, since it uses less digits than its factorization.

631413255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39567.

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

The square root of 631413255 is about 25127.9377387003. The cubic root of 631413255 is about 857.9024304806.

The spelling of 631413255 in words is "six hundred thirty-one million, four hundred thirteen thousand, two hundred fifty-five".