108901231 has 2 divisors, whose sum is σ = 108901232. Its totient is φ = 108901230.

The previous prime is 108901223. The next prime is 108901237. The reversal of 108901231 is 132109801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108901231 - 2³ = 108901223 is a prime.

It is a super-2 number, since 2×108901231² = 23718956226630722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108901196 and 108901205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108901237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54450615 + 54450616.

It is an arithmetic number, because the mean of its divisors is an integer number (54450616).

Almost surely, 2^108901231 is an apocalyptic number.

108901231 is a deficient number, since it is larger than the sum of its proper divisors (1).

108901231 is an equidigital number, since it uses as much as digits as its factorization.

108901231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 108901231 is about 10435.5752596587. The cubic root of 108901231 is about 477.5412915326.

It can be divided in two parts, 10890 and 1231, that added together give a palindrome (12121).

The spelling of 108901231 in words is "one hundred eight million, nine hundred one thousand, two hundred thirty-one".