38131112 has 16 divisors (see below), whose sum is σ = 72476340. Its totient is φ = 18804096.

The previous prime is 38131109. The next prime is 38131139. The reversal of 38131112 is 21113183.

It can be written as a sum of positive squares in 2 ways, for example, as 38019556 + 111556 = 6166^2 + 334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32063 + ... + 33230.

Almost surely, 2^38131112 is an apocalyptic number.

It is an amenable number.

38131112 is a deficient number, since it is larger than the sum of its proper divisors (34345228).

38131112 is a wasteful number, since it uses less digits than its factorization.

38131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65372 (or 65368 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

The square root of 38131112 is about 6175.0394330725. The cubic root of 38131112 is about 336.5837593887.

Adding to 38131112 its reverse (21113183), we get a palindrome (59244295).

The spelling of 38131112 in words is "thirty-eight million, one hundred thirty-one thousand, one hundred twelve".