631212470 has 32 divisors (see below), whose sum is σ = 1299456000. Its totient is φ = 216255456.

The previous prime is 631212451. The next prime is 631212473. The reversal of 631212470 is 74212136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631212473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129131 + ... + 133929.

It is an arithmetic number, because the mean of its divisors is an integer number (40608000).

Almost surely, 2^631212470 is an apocalyptic number.

631212470 is an abundant number, since it is smaller than the sum of its proper divisors (668243530).

631212470 is a wasteful number, since it uses less digits than its factorization.

631212470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6692.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 631212470 is about 25123.9421667858. The cubic root of 631212470 is about 857.8114851819.

The spelling of 631212470 in words is "six hundred thirty-one million, two hundred twelve thousand, four hundred seventy".