103013550 has 144 divisors (see below), whose sum is σ = 297704160. Its totient is φ = 25470720.

The previous prime is 103013549. The next prime is 103013563. The reversal of 103013550 is 55310301.

It is a happy number.

103013550 is a `hidden beast` number, since 10 + 301 + 355 + 0 = 666.

It is a super-2 number, since 2×103013550² = 21223582967205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 382816 + ... + 383084.

It is an arithmetic number, because the mean of its divisors is an integer number (2067390).

Almost surely, 2^103013550 is an apocalyptic number.

103013550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103013550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148852080).

103013550 is an abundant number, since it is smaller than the sum of its proper divisors (194690610).

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

103013550 is a wasteful number, since it uses less digits than its factorization.

103013550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 103013550 is about 10149.5591037247. The cubic root of 103013550 is about 468.7753692936.

Adding to 103013550 its reverse (55310301), we get a palindrome (158323851).

The spelling of 103013550 in words is "one hundred three million, thirteen thousand, five hundred fifty".