38871331 has 2 divisors, whose sum is σ = 38871332. Its totient is φ = 38871330.

The previous prime is 38871319. The next prime is 38871347. The reversal of 38871331 is 13317883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38871331 - 2¹¹ = 38869283 is a prime.

It is a super-2 number, since 2×38871331² = 3021960747423122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38871361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19435665 + 19435666.

It is an arithmetic number, because the mean of its divisors is an integer number (19435666).

Almost surely, 2^38871331 is an apocalyptic number.

38871331 is a deficient number, since it is larger than the sum of its proper divisors (1).

38871331 is an equidigital number, since it uses as much as digits as its factorization.

38871331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 38871331 is about 6234.6877227332. The cubic root of 38871331 is about 338.7477900030.

The spelling of 38871331 in words is "thirty-eight million, eight hundred seventy-one thousand, three hundred thirty-one".