103513432 has 64 divisors (see below), whose sum is σ = 222912000. Its totient is φ = 44605440.

The previous prime is 103513379. The next prime is 103513471. The reversal of 103513432 is 234315301.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402648 + ... + 402904.

It is an arithmetic number, because the mean of its divisors is an integer number (3483000).

Almost surely, 2^103513432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103513432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111456000).

103513432 is an abundant number, since it is smaller than the sum of its proper divisors (119398568).

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

103513432 is a wasteful number, since it uses less digits than its factorization.

103513432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 103513432 is about 10174.1551000562. The cubic root of 103513432 is about 469.5324035170.

Adding to 103513432 its reverse (234315301), we get a palindrome (337828733).

The spelling of 103513432 in words is "one hundred three million, five hundred thirteen thousand, four hundred thirty-two".