103281438438 has 24 divisors (see below), whose sum is σ = 223782734448. Its totient is φ = 34426179312.

The previous prime is 103281438373. The next prime is 103281438467. The reversal of 103281438438 is 834834182301.

103281438438 is a `hidden beast` number, since 103 + 2 + 81 + 4 + 38 + 438 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 103281438393 and 103281438402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 902095 + ... + 1010117.

It is an arithmetic number, because the mean of its divisors is an integer number (9324280602).

Almost surely, 2^103281438438 is an apocalyptic number.

103281438438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

103281438438 is an abundant number, since it is smaller than the sum of its proper divisors (120501296010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103281438438 is a wasteful number, since it uses less digits than its factorization.

103281438438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161148 (or 161145 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 103281438438 in words is "one hundred three billion, two hundred eighty-one million, four hundred thirty-eight thousand, four hundred thirty-eight".