38113313 has 16 divisors (see below), whose sum is σ = 45212160. Its totient is φ = 31468320.

The previous prime is 38113301. The next prime is 38113321. The reversal of 38113313 is 31331183.

It is a happy number.

It is not a de Polignac number, because 38113313 - 2⁶ = 38113249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38113363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482408 + ... + 482486.

It is an arithmetic number, because the mean of its divisors is an integer number (2825760).

Almost surely, 2^38113313 is an apocalyptic number.

It is an amenable number.

38113313 is a deficient number, since it is larger than the sum of its proper divisors (7098847).

38113313 is an frugal number, since it uses more digits than its factorization.

38113313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 127 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 38113313 is about 6173.5980594788. The cubic root of 38113313 is about 336.5313805795.

Adding to 38113313 its reverse (31331183), we get a palindrome (69444496).

The spelling of 38113313 in words is "thirty-eight million, one hundred thirteen thousand, three hundred thirteen".