100631106 has 32 divisors (see below), whose sum is σ = 235396800. Its totient is φ = 31777920.

The previous prime is 100631093. The next prime is 100631129. The reversal of 100631106 is 601136001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48015 + ... + 50066.

It is an arithmetic number, because the mean of its divisors is an integer number (7356150).

Almost surely, 2^100631106 is an apocalyptic number.

100631106 is an abundant number, since it is smaller than the sum of its proper divisors (134765694).

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

100631106 is a wasteful number, since it uses less digits than its factorization.

100631106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98111 (or 98105 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 100631106 is about 10031.5056696390. The cubic root of 100631106 is about 465.1332812533.

Adding to 100631106 its reverse (601136001), we get a palindrome (701767107).

The spelling of 100631106 in words is "one hundred million, six hundred thirty-one thousand, one hundred six".