100447631 has 8 divisors (see below), whose sum is σ = 102734400. Its totient is φ = 98186400.

The previous prime is 100447603. The next prime is 100447639. The reversal of 100447631 is 136744001.

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 100447631 - 2²² = 96253327 is a prime.

It is a super-2 number, since 2×100447631² = 20179453147024322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100447631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100447639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685 + ... + 14273.

It is an arithmetic number, because the mean of its divisors is an integer number (12841800).

Almost surely, 2^100447631 is an apocalyptic number.

100447631 is a deficient number, since it is larger than the sum of its proper divisors (2286769).

100447631 is a wasteful number, since it uses less digits than its factorization.

100447631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12769.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 100447631 is about 10022.3565592130. The cubic root of 100447631 is about 464.8504255501.

The spelling of 100447631 in words is "one hundred million, four hundred forty-seven thousand, six hundred thirty-one".