631252334 has 8 divisors (see below), whose sum is σ = 947345880. Its totient is φ = 315470376.

The previous prime is 631252331. The next prime is 631252351. The reversal of 631252334 is 433252136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 631252297 and 631252306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631252331) 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 3 ways as a sum of consecutive naturals, for example, 72764 + ... + 80975.

It is an arithmetic number, because the mean of its divisors is an integer number (118418235).

Almost surely, 2^631252334 is an apocalyptic number.

631252334 is a deficient number, since it is larger than the sum of its proper divisors (316093546).

631252334 is a wasteful number, since it uses less digits than its factorization.

631252334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155794.

The product of its digits is 12960, while the sum is 29.

The square root of 631252334 is about 25124.7355010953. The cubic root of 631252334 is about 857.8295430619.

The spelling of 631252334 in words is "six hundred thirty-one million, two hundred fifty-two thousand, three hundred thirty-four".