100931043 has 8 divisors (see below), whose sum is σ = 137438208. Its totient is φ = 65855624.

The previous prime is 100931029. The next prime is 100931069. The reversal of 100931043 is 340139001.

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 100931043 - 2¹⁶ = 100865507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100931093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357771 + ... + 358052.

It is an arithmetic number, because the mean of its divisors is an integer number (17179776).

Almost surely, 2^100931043 is an apocalyptic number.

100931043 is a deficient number, since it is larger than the sum of its proper divisors (36507165).

100931043 is an equidigital number, since it uses as much as digits as its factorization.

100931043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715873.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 100931043 is about 10046.4442963667. Note that the first 3 decimals coincide. The cubic root of 100931043 is about 465.5949420292.

The spelling of 100931043 in words is "one hundred million, nine hundred thirty-one thousand, forty-three".