631134504 has 480 divisors, whose sum is σ = 2433261600. Its totient is φ = 150232320.

The previous prime is 631134473. The next prime is 631134523. The reversal of 631134504 is 405431136.

631134504 is a `hidden beast` number, since 6 + 311 + 345 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4540467 + ... + 4540605.

It is an arithmetic number, because the mean of its divisors is an integer number (5069295).

Almost surely, 2^631134504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631134504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216630800).

631134504 is an abundant number, since it is smaller than the sum of its proper divisors (1802127096).

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

631134504 is a wasteful number, since it uses less digits than its factorization.

631134504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 631134504 is about 25122.3904913525. The cubic root of 631134504 is about 857.7761653874.

The spelling of 631134504 in words is "six hundred thirty-one million, one hundred thirty-four thousand, five hundred four".