631107464 has 64 divisors (see below), whose sum is σ = 1320384240. Its totient is φ = 280949760.

The previous prime is 631107461. The next prime is 631107467. The reversal of 631107464 is 464701136.

It is an interprime number because it is at equal distance from previous prime (631107461) and next prime (631107467).

It can be written as a sum of positive squares in 8 ways, for example, as 127464100 + 503643364 = 11290^2 + 22442^2 .

It is a super-2 number, since 2×631107464² = 796593262233022592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 631107464.

It is not an unprimeable number, because it can be changed into a prime (631107461) 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, 335294 + ... + 337170.

Almost surely, 2^631107464 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 631107464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660192120).

631107464 is an abundant number, since it is smaller than the sum of its proper divisors (689276776).

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

631107464 is a wasteful number, since it uses less digits than its factorization.

631107464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 631107464 is about 25121.8523202410. The cubic root of 631107464 is about 857.7639151731.

The spelling of 631107464 in words is "six hundred thirty-one million, one hundred seven thousand, four hundred sixty-four".