108931633 has 2 divisors, whose sum is σ = 108931634. Its totient is φ = 108931632.

The previous prime is 108931621. The next prime is 108931649. The reversal of 108931633 is 336139801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100962304 + 7969329 = 10048^2 + 2823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108931633 is a prime.

It is a super-2 number, since 2×108931633² = 23732201336093378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108931133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54465816 + 54465817.

It is an arithmetic number, because the mean of its divisors is an integer number (54465817).

Almost surely, 2^108931633 is an apocalyptic number.

It is an amenable number.

108931633 is a deficient number, since it is larger than the sum of its proper divisors (1).

108931633 is an equidigital number, since it uses as much as digits as its factorization.

108931633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 108931633 is about 10437.0318098586. The cubic root of 108931633 is about 477.5857258621.

The spelling of 108931633 in words is "one hundred eight million, nine hundred thirty-one thousand, six hundred thirty-three".