381701101 has 2 divisors, whose sum is σ = 381701102. Its totient is φ = 381701100.

The previous prime is 381701087. The next prime is 381701107. The reversal of 381701101 is 101107183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252333225 + 129367876 = 15885^2 + 11374^2 .

It is an emirp because it is prime and its reverse (101107183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 381701101 - 2¹⁷ = 381570029 is a prime.

It is a super-2 number, since 2×381701101² = 291391461009224402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381701107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190850550 + 190850551.

It is an arithmetic number, because the mean of its divisors is an integer number (190850551).

Almost surely, 2^381701101 is an apocalyptic number.

It is an amenable number.

381701101 is a deficient number, since it is larger than the sum of its proper divisors (1).

381701101 is an equidigital number, since it uses as much as digits as its factorization.

381701101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 22.

The square root of 381701101 is about 19537.1722877186. The cubic root of 381701101 is about 725.3948549082.

Adding to 381701101 its reverse (101107183), we get a palindrome (482808284).

The spelling of 381701101 in words is "three hundred eighty-one million, seven hundred one thousand, one hundred one".