108430531 has 4 divisors (see below), whose sum is σ = 118287864. Its totient is φ = 98573200.

The previous prime is 108430519. The next prime is 108430559. The reversal of 108430531 is 135034801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135034801 = 11 ⋅12275891.

It is not a de Polignac number, because 108430531 - 2²⁵ = 74876099 is a prime.

It is a super-2 number, since 2×108430531² = 23514360105883922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108430496 and 108430505.

It is not an unprimeable number, because it can be changed into a prime (108430501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4928650 + ... + 4928671.

It is an arithmetic number, because the mean of its divisors is an integer number (29571966).

Almost surely, 2^108430531 is an apocalyptic number.

108430531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

108430531 is a deficient number, since it is larger than the sum of its proper divisors (9857333).

108430531 is an equidigital number, since it uses as much as digits as its factorization.

108430531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9857332.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 108430531 is about 10412.9981753576. The cubic root of 108430531 is about 476.8522778432.

The spelling of 108430531 in words is "one hundred eight million, four hundred thirty thousand, five hundred thirty-one".