101488381 has 2 divisors, whose sum is σ = 101488382. Its totient is φ = 101488380.

The previous prime is 101488379. The next prime is 101488399. The reversal of 101488381 is 183884101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101324356 + 164025 = 10066^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 101488381 - 2¹ = 101488379 is a prime.

It is a super-2 number, since 2×101488381² = 20599782956002322, which contains 22 as substring.

Together with 101488379, 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 (101488301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50744190 + 50744191.

It is an arithmetic number, because the mean of its divisors is an integer number (50744191).

Almost surely, 2^101488381 is an apocalyptic number.

It is an amenable number.

101488381 is a deficient number, since it is larger than the sum of its proper divisors (1).

101488381 is an equidigital number, since it uses as much as digits as its factorization.

101488381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 101488381 is about 10074.1441820137. The cubic root of 101488381 is about 466.4503695477.

The spelling of 101488381 in words is "one hundred one million, four hundred eighty-eight thousand, three hundred eighty-one".