631344254 has 4 divisors (see below), whose sum is σ = 947016384. Its totient is φ = 315672126.

The previous prime is 631344229. The next prime is 631344271. The reversal of 631344254 is 452443136.

631344254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 631344254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157836062 + ... + 157836065.

It is an arithmetic number, because the mean of its divisors is an integer number (236754096).

Almost surely, 2^631344254 is an apocalyptic number.

631344254 is a deficient number, since it is larger than the sum of its proper divisors (315672130).

631344254 is a wasteful number, since it uses less digits than its factorization.

631344254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315672129.

The product of its digits is 34560, while the sum is 32.

The square root of 631344254 is about 25126.5647074963. The cubic root of 631344254 is about 857.8711787441.

The spelling of 631344254 in words is "six hundred thirty-one million, three hundred forty-four thousand, two hundred fifty-four".