100630531 has 8 divisors (see below), whose sum is σ = 106745040. Its totient is φ = 94537728.

The previous prime is 100630529. The next prime is 100630547. The reversal of 100630531 is 135036001.

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

It is a cyclic number.

It is not a de Polignac number, because 100630531 - 2¹ = 100630529 is a prime.

It is a super-2 number, since 2×100630531² = 20253007538683922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100630499 and 100630508.

It is not an unprimeable number, because it can be changed into a prime (100630591) 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, 4680 + ... + 14938.

It is an arithmetic number, because the mean of its divisors is an integer number (13343130).

Almost surely, 2^100630531 is an apocalyptic number.

100630531 is a deficient number, since it is larger than the sum of its proper divisors (6114509).

100630531 is a wasteful number, since it uses less digits than its factorization.

100630531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10853.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 100630531 is about 10031.4770098924. The cubic root of 100630531 is about 465.1323953372.

Adding to 100630531 its reverse (135036001), we get a palindrome (235666532).

The spelling of 100630531 in words is "one hundred million, six hundred thirty thousand, five hundred thirty-one".