2063631531 has 8 divisors (see below), whose sum is σ = 2963163280. Its totient is φ = 1269927072.

The previous prime is 2063631527. The next prime is 2063631541. The reversal of 2063631531 is 1351363602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2063631531 - 2² = 2063631527 is a prime.

It is a super-2 number, since 2×2063631531² = 8517150191474807922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2063631541) 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 7 ways as a sum of consecutive naturals, for example, 26456776 + ... + 26456853.

It is an arithmetic number, because the mean of its divisors is an integer number (370395410).

Almost surely, 2^2063631531 is an apocalyptic number.

2063631531 is a deficient number, since it is larger than the sum of its proper divisors (899531749).

2063631531 is a wasteful number, since it uses less digits than its factorization.

2063631531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52913645.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 2063631531 is about 45427.2113495865. The cubic root of 2063631531 is about 1273.1435817698.

The spelling of 2063631531 in words is "two billion, sixty-three million, six hundred thirty-one thousand, five hundred thirty-one".