100473731 has 4 divisors (see below), whose sum is σ = 100650264. Its totient is φ = 100297200.

The previous prime is 100473727. The next prime is 100473781. The reversal of 100473731 is 137374001.

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

It is a cyclic number.

It is not a de Polignac number, because 100473731 - 2² = 100473727 is a prime.

It is a super-2 number, since 2×100473731² = 20189941242120722, 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 100473731.

It is not an unprimeable number, because it can be changed into a prime (100473721) 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, 87410 + ... + 88551.

It is an arithmetic number, because the mean of its divisors is an integer number (25162566).

Almost surely, 2^100473731 is an apocalyptic number.

100473731 is a deficient number, since it is larger than the sum of its proper divisors (176533).

100473731 is an equidigital number, since it uses as much as digits as its factorization.

100473731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176532.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 100473731 is about 10023.6585636184. The cubic root of 100473731 is about 464.8906838263.

The spelling of 100473731 in words is "one hundred million, four hundred seventy-three thousand, seven hundred thirty-one".