38313161 has 2 divisors, whose sum is σ = 38313162. Its totient is φ = 38313160.

The previous prime is 38313133. The next prime is 38313203. The reversal of 38313161 is 16131383.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35473936 + 2839225 = 5956^2 + 1685^2 .

It is a cyclic number.

It is not a de Polignac number, because 38313161 - 2⁶ = 38313097 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38313161.

It is not a weakly prime, because it can be changed into another prime (38313061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19156580 + 19156581.

It is an arithmetic number, because the mean of its divisors is an integer number (19156581).

Almost surely, 2^38313161 is an apocalyptic number.

It is an amenable number.

38313161 is a deficient number, since it is larger than the sum of its proper divisors (1).

38313161 is an equidigital number, since it uses as much as digits as its factorization.

38313161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 38313161 is about 6189.7625964168. The cubic root of 38313161 is about 337.1185587251.

The spelling of 38313161 in words is "thirty-eight million, three hundred thirteen thousand, one hundred sixty-one".