38031130 has 8 divisors (see below), whose sum is σ = 68456052. Its totient is φ = 15212448.

The previous prime is 38031127. The next prime is 38031137. The reversal of 38031130 is 3113083.

It can be written as a sum of positive squares in 2 ways, for example, as 37564641 + 466489 = 6129^2 + 683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 38031098 and 38031107.

It is not an unprimeable number, because it can be changed into a prime (38031137) 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 in 3 ways as a sum of consecutive naturals, for example, 1901547 + ... + 1901566.

Almost surely, 2^38031130 is an apocalyptic number.

38031130 is a deficient number, since it is larger than the sum of its proper divisors (30424922).

38031130 is a wasteful number, since it uses less digits than its factorization.

38031130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803120.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 38031130 is about 6166.9384624788. The cubic root of 38031130 is about 336.2893211434.

The spelling of 38031130 in words is "thirty-eight million, thirty-one thousand, one hundred thirty".