100004731 has 4 divisors (see below), whose sum is σ = 103453200. Its totient is φ = 96556264.

The previous prime is 100004719. The next prime is 100004741. The reversal of 100004731 is 137400001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100004731 is a prime.

It is a super-2 number, since 2×100004731² = 20001892444764722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100004741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1724191 + ... + 1724248.

It is an arithmetic number, because the mean of its divisors is an integer number (25863300).

Almost surely, 2^100004731 is an apocalyptic number.

100004731 is a deficient number, since it is larger than the sum of its proper divisors (3448469).

100004731 is an equidigital number, since it uses as much as digits as its factorization.

100004731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448468.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 100004731 is about 10000.2365472023. The cubic root of 100004731 is about 464.1662030314.

Adding to 100004731 its reverse (137400001), we get a palindrome (237404732).

The spelling of 100004731 in words is "one hundred million, four thousand, seven hundred thirty-one".