631234452 has 48 divisors (see below), whose sum is σ = 1510125120. Its totient is φ = 205141248.

The previous prime is 631234447. The next prime is 631234469. The reversal of 631234452 is 254432136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100624 + ... + 106712.

It is an arithmetic number, because the mean of its divisors is an integer number (31460940).

Almost surely, 2^631234452 is an apocalyptic number.

It is an amenable number.

631234452 is an abundant number, since it is smaller than the sum of its proper divisors (878890668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631234452 is a wasteful number, since it uses less digits than its factorization.

631234452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312 (or 6310 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 631234452 is about 25124.3796341323. The cubic root of 631234452 is about 857.8214428396.

Adding to 631234452 its reverse (254432136), we get a palindrome (885666588).

The spelling of 631234452 in words is "six hundred thirty-one million, two hundred thirty-four thousand, four hundred fifty-two".