1063631312 has 20 divisors (see below), whose sum is σ = 2066911236. Its totient is φ = 530234880.

The previous prime is 1063631269. The next prime is 1063631321. The reversal of 1063631312 is 2131363601.

It can be written as a sum of positive squares in 2 ways, for example, as 318122896 + 745508416 = 17836^2 + 27304^2 .

It is a super-2 number, since 2×1063631312² = 2262623135733682688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93239 + ... + 104022.

Almost surely, 2^1063631312 is an apocalyptic number.

It is an amenable number.

1063631312 is a deficient number, since it is larger than the sum of its proper divisors (1003279924).

1063631312 is a wasteful number, since it uses less digits than its factorization.

1063631312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197606 (or 197600 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1063631312 is about 32613.3609430246. The cubic root of 1063631312 is about 1020.7758137124.

Adding to 1063631312 its reverse (2131363601), we get a palindrome (3194994913).

The spelling of 1063631312 in words is "one billion, sixty-three million, six hundred thirty-one thousand, three hundred twelve".