101988329 has 2 divisors, whose sum is σ = 101988330. Its totient is φ = 101988328.

The previous prime is 101988307. The next prime is 101988343. The reversal of 101988329 is 923889101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83083225 + 18905104 = 9115^2 + 4348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101988329 is a prime.

It is not a weakly prime, because it can be changed into another prime (101988349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50994164 + 50994165.

It is an arithmetic number, because the mean of its divisors is an integer number (50994165).

Almost surely, 2^101988329 is an apocalyptic number.

It is an amenable number.

101988329 is a deficient number, since it is larger than the sum of its proper divisors (1).

101988329 is an equidigital number, since it uses as much as digits as its factorization.

101988329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 101988329 is about 10098.9271212342. The cubic root of 101988329 is about 467.2150516497.

The spelling of 101988329 in words is "one hundred one million, nine hundred eighty-eight thousand, three hundred twenty-nine".