108231381 has 12 divisors (see below), whose sum is σ = 156700908. Its totient is φ = 71985024.

The previous prime is 108231341. The next prime is 108231433. The reversal of 108231381 is 183132801.

It can be written as a sum of positive squares in 2 ways, for example, as 37822500 + 70408881 = 6150^2 + 8391^2 .

It is not a de Polignac number, because 108231381 - 2⁶ = 108231317 is a prime.

It is a super-2 number, since 2×108231381² = 23428063666334322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108231341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9990 + ... + 17783.

It is an arithmetic number, because the mean of its divisors is an integer number (13058409).

Almost surely, 2^108231381 is an apocalyptic number.

It is an amenable number.

108231381 is a deficient number, since it is larger than the sum of its proper divisors (48469527).

108231381 is a wasteful number, since it uses less digits than its factorization.

108231381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28212 (or 28209 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 108231381 is about 10403.4312128259. The cubic root of 108231381 is about 476.5601604565.

The spelling of 108231381 in words is "one hundred eight million, two hundred thirty-one thousand, three hundred eighty-one".