38624113331 has 4 divisors (see below), whose sum is σ = 38625648672. Its totient is φ = 38622577992.

The previous prime is 38624113327. The next prime is 38624113337. The reversal of 38624113331 is 13331142683.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38624113331 - 2² = 38624113327 is a prime.

It is a super-2 number, since 2×38624113331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38624113291 and 38624113300.

It is not an unprimeable number, because it can be changed into a prime (38624113337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729296 + ... + 780461.

It is an arithmetic number, because the mean of its divisors is an integer number (9656412168).

Almost surely, 2^38624113331 is an apocalyptic number.

38624113331 is a deficient number, since it is larger than the sum of its proper divisors (1535341).

38624113331 is a wasteful number, since it uses less digits than its factorization.

38624113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535340.

The product of its digits is 31104, while the sum is 35.

The spelling of 38624113331 in words is "thirty-eight billion, six hundred twenty-four million, one hundred thirteen thousand, three hundred thirty-one".