103343240 has 256 divisors, whose sum is σ = 326592000. Its totient is φ = 28385280.

The previous prime is 103343239. The next prime is 103343249. The reversal of 103343240 is 42343301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (103343249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1161116 + ... + 1161204.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^103343240 is an apocalyptic number.

103343240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103343240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163296000).

103343240 is an abundant number, since it is smaller than the sum of its proper divisors (223248760).

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

103343240 is a wasteful number, since it uses less digits than its factorization.

103343240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 103343240 is about 10165.7877215689. The cubic root of 103343240 is about 469.2749345346.

Adding to 103343240 its reverse (42343301), we get a palindrome (145686541).

It can be divided in two parts, 103 and 343240, that added together give a palindrome (343343).

The spelling of 103343240 in words is "one hundred three million, three hundred forty-three thousand, two hundred forty".