108381331 has 2 divisors, whose sum is σ = 108381332. Its totient is φ = 108381330.

The previous prime is 108381293. The next prime is 108381337. The reversal of 108381331 is 133183801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108381331 is a prime.

It is a super-2 number, since 2×108381331² = 23493025818663122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108381331.

It is not a weakly prime, because it can be changed into another prime (108381337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54190665 + 54190666.

It is an arithmetic number, because the mean of its divisors is an integer number (54190666).

Almost surely, 2^108381331 is an apocalyptic number.

108381331 is a deficient number, since it is larger than the sum of its proper divisors (1).

108381331 is an equidigital number, since it uses as much as digits as its factorization.

108381331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 108381331 is about 10410.6354753204. The cubic root of 108381331 is about 476.7801435430.

The spelling of 108381331 in words is "one hundred eight million, three hundred eighty-one thousand, three hundred thirty-one".