103213040 has 40 divisors (see below), whose sum is σ = 274253280. Its totient is φ = 35387136.

The previous prime is 103213039. The next prime is 103213049. The reversal of 103213040 is 40312301.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103213049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91595 + ... + 92714.

It is an arithmetic number, because the mean of its divisors is an integer number (6856332).

Almost surely, 2^103213040 is an apocalyptic number.

103213040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103213040 is an abundant number, since it is smaller than the sum of its proper divisors (171040240).

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

103213040 is a wasteful number, since it uses less digits than its factorization.

103213040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184329 (or 184323 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 103213040 is about 10159.3818709605. The cubic root of 103213040 is about 469.0777751338.

Adding to 103213040 its reverse (40312301), we get a palindrome (143525341).

The spelling of 103213040 in words is "one hundred three million, two hundred thirteen thousand, forty".