11382438331 has 4 divisors (see below), whose sum is σ = 12417205464. Its totient is φ = 10347671200.

The previous prime is 11382438269. The next prime is 11382438337. The reversal of 11382438331 is 13383428311.

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 11382438331 - 2⁹ = 11382437819 is a prime.

It is a super-2 number, since 2×11382438331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11382438337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517383550 + ... + 517383571.

It is an arithmetic number, because the mean of its divisors is an integer number (3104301366).

Almost surely, 2^11382438331 is an apocalyptic number.

11382438331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11382438331 is a deficient number, since it is larger than the sum of its proper divisors (1034767133).

11382438331 is a wasteful number, since it uses less digits than its factorization.

11382438331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034767132.

The product of its digits is 41472, while the sum is 37.

The spelling of 11382438331 in words is "eleven billion, three hundred eighty-two million, four hundred thirty-eight thousand, three hundred thirty-one".