101383309 has 2 divisors, whose sum is σ = 101383310. Its totient is φ = 101383308.

The previous prime is 101383301. The next prime is 101383313. The reversal of 101383309 is 903383101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70056900 + 31326409 = 8370^2 + 5597^2 .

It is a cyclic number.

It is not a de Polignac number, because 101383309 - 2³ = 101383301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101383301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50691654 + 50691655.

It is an arithmetic number, because the mean of its divisors is an integer number (50691655).

Almost surely, 2^101383309 is an apocalyptic number.

It is an amenable number.

101383309 is a deficient number, since it is larger than the sum of its proper divisors (1).

101383309 is an equidigital number, since it uses as much as digits as its factorization.

101383309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 101383309 is about 10068.9278972490. The cubic root of 101383309 is about 466.2893402873.

The spelling of 101383309 in words is "one hundred one million, three hundred eighty-three thousand, three hundred nine".