103524431221 has 8 divisors (see below), whose sum is σ = 108201732480. Its totient is φ = 98861816592.

The previous prime is 103524431177. The next prime is 103524431233. The reversal of 103524431221 is 122134425301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103524431221 - 2⁷ = 103524431093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103524431221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103524431291) 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, 3657241 + ... + 3685438.

It is an arithmetic number, because the mean of its divisors is an integer number (13525216560).

Almost surely, 2^103524431221 is an apocalyptic number.

It is an amenable number.

103524431221 is a deficient number, since it is larger than the sum of its proper divisors (4677301259).

103524431221 is an equidigital number, since it uses as much as digits as its factorization.

103524431221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343315.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 103524431221 its reverse (122134425301), we get a palindrome (225658856522).

The spelling of 103524431221 in words is "one hundred three billion, five hundred twenty-four million, four hundred thirty-one thousand, two hundred twenty-one".