38312331 has 8 divisors (see below), whose sum is σ = 51920784. Its totient is φ = 25122720.

The previous prime is 38312317. The next prime is 38312333. The reversal of 38312331 is 13321383.

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

It is not a de Polignac number, because 38312331 - 2¹⁴ = 38295947 is a prime.

It is a super-2 number, since 2×38312331² = 2935669413307122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38312333) 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 7 ways as a sum of consecutive naturals, for example, 104496 + ... + 104861.

It is an arithmetic number, because the mean of its divisors is an integer number (6490098).

Almost surely, 2^38312331 is an apocalyptic number.

38312331 is a deficient number, since it is larger than the sum of its proper divisors (13608453).

38312331 is a wasteful number, since it uses less digits than its factorization.

38312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209421.

The product of its digits is 1296, while the sum is 24.

The square root of 38312331 is about 6189.6955498635. The cubic root of 38312331 is about 337.1161243099.

The spelling of 38312331 in words is "thirty-eight million, three hundred twelve thousand, three hundred thirty-one".