108828431 has 2 divisors, whose sum is σ = 108828432. Its totient is φ = 108828430.

The previous prime is 108828413. The next prime is 108828437. The reversal of 108828431 is 134828801.

Together with previous prime (108828413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108828431 - 2²⁶ = 41719567 is a prime.

It is a super-2 number, since 2×108828431² = 23687254787843522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108828391 and 108828400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108828437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54414215 + 54414216.

It is an arithmetic number, because the mean of its divisors is an integer number (54414216).

Almost surely, 2^108828431 is an apocalyptic number.

108828431 is a deficient number, since it is larger than the sum of its proper divisors (1).

108828431 is an equidigital number, since it uses as much as digits as its factorization.

108828431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 108828431 is about 10432.0866081528. The cubic root of 108828431 is about 477.4348563854.

The spelling of 108828431 in words is "one hundred eight million, eight hundred twenty-eight thousand, four hundred thirty-one".