101344381 has 2 divisors, whose sum is σ = 101344382. Its totient is φ = 101344380.

The previous prime is 101344379. The next prime is 101344387. The reversal of 101344381 is 183443101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65464281 + 35880100 = 8091^2 + 5990^2 .

It is a cyclic number.

It is not a de Polignac number, because 101344381 - 2¹ = 101344379 is a prime.

It is a super-2 number, since 2×101344381² = 20541367120546322, which contains 22 as substring.

Together with 101344379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101344387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50672190 + 50672191.

It is an arithmetic number, because the mean of its divisors is an integer number (50672191).

Almost surely, 2^101344381 is an apocalyptic number.

It is an amenable number.

101344381 is a deficient number, since it is larger than the sum of its proper divisors (1).

101344381 is an equidigital number, since it uses as much as digits as its factorization.

101344381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 101344381 is about 10066.9946359378. The cubic root of 101344381 is about 466.2296525033.

Adding to 101344381 its reverse (183443101), we get a palindrome (284787482).

The spelling of 101344381 in words is "one hundred one million, three hundred forty-four thousand, three hundred eighty-one".