384741443331 has 144 divisors (see below), whose sum is σ = 695252213760. Its totient is φ = 200597938560.

The previous prime is 384741443329. The next prime is 384741443381. The reversal of 384741443331 is 133344147483.

384741443331 is a `hidden beast` number, since 3 + 8 + 474 + 144 + 3 + 3 + 31 = 666.

It is not a de Polignac number, because 384741443331 - 2¹ = 384741443329 is a prime.

It is a super-2 number, since 2×384741443331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (384741443381) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 161451366 + ... + 161453748.

Almost surely, 2^384741443331 is an apocalyptic number.

384741443331 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

384741443331 is a deficient number, since it is larger than the sum of its proper divisors (310510770429).

384741443331 is a wasteful number, since it uses less digits than its factorization.

384741443331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694 (or 2672 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 45.

The spelling of 384741443331 in words is "three hundred eighty-four billion, seven hundred forty-one million, four hundred forty-three thousand, three hundred thirty-one".