103431444221 has 8 divisors (see below), whose sum is σ = 118237194240. Its totient is φ = 88633151568.

The previous prime is 103431444157. The next prime is 103431444247. The reversal of 103431444221 is 122444134301.

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 103431444221 - 2⁶ = 103431444157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103431444121) 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, 1834586 + ... + 1890123.

It is an arithmetic number, because the mean of its divisors is an integer number (14779649280).

Almost surely, 2^103431444221 is an apocalyptic number.

It is an amenable number.

103431444221 is a deficient number, since it is larger than the sum of its proper divisors (14805750019).

103431444221 is an equidigital number, since it uses as much as digits as its factorization.

103431444221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728683.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 103431444221 its reverse (122444134301), we get a palindrome (225875578522).

The spelling of 103431444221 in words is "one hundred three billion, four hundred thirty-one million, four hundred forty-four thousand, two hundred twenty-one".