100724731434 has 24 divisors (see below), whose sum is σ = 231074384580. Its totient is φ = 31599915648.

The previous prime is 100724731409. The next prime is 100724731439. The reversal of 100724731434 is 434137427001.

100724731434 is a `hidden beast` number, since 100 + 72 + 473 + 14 + 3 + 4 = 666.

100724731434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 100269122409 + 455609025 = 316653^2 + 21345^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100724731439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164582589 + ... + 164583200.

Almost surely, 2^100724731434 is an apocalyptic number.

100724731434 is an abundant number, since it is smaller than the sum of its proper divisors (130349653146).

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

100724731434 is a wasteful number, since it uses less digits than its factorization.

100724731434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329165814 (or 329165811 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 100724731434 in words is "one hundred billion, seven hundred twenty-four million, seven hundred thirty-one thousand, four hundred thirty-four".