631552134 has 32 divisors (see below), whose sum is σ = 1354682880. Its totient is φ = 195672672.

The previous prime is 631552133. The next prime is 631552177. The reversal of 631552134 is 431255136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631552133) 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 15 ways as a sum of consecutive naturals, for example, 46222 + ... + 58305.

It is an arithmetic number, because the mean of its divisors is an integer number (42333840).

Almost surely, 2^631552134 is an apocalyptic number.

631552134 is an abundant number, since it is smaller than the sum of its proper divisors (723130746).

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

631552134 is a wasteful number, since it uses less digits than its factorization.

631552134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104604.

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

The square root of 631552134 is about 25130.7010248421. The cubic root of 631552134 is about 857.9653242597.

The spelling of 631552134 in words is "six hundred thirty-one million, five hundred fifty-two thousand, one hundred thirty-four".