381103304 has 16 divisors (see below), whose sum is σ = 714919920. Its totient is φ = 190458000.

The previous prime is 381103277. The next prime is 381103309. The reversal of 381103304 is 403301183.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 381103304.

It is not an unprimeable number, because it can be changed into a prime (381103309) 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, 7427 + ... + 28589.

It is an arithmetic number, because the mean of its divisors is an integer number (44682495).

Almost surely, 2^381103304 is an apocalyptic number.

It is an amenable number.

381103304 is a deficient number, since it is larger than the sum of its proper divisors (333816616).

381103304 is a wasteful number, since it uses less digits than its factorization.

381103304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23420 (or 23416 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 381103304 is about 19521.8673287163. The cubic root of 381103304 is about 725.0159673059.

Adding to 381103304 its reverse (403301183), we get a palindrome (784404487).

It can be divided in two parts, 38110 and 3304, that added together give a palindrome (41414).

The spelling of 381103304 in words is "three hundred eighty-one million, one hundred three thousand, three hundred four".