103031312221 has 8 divisors (see below), whose sum is σ = 103831495488. Its totient is φ = 102232680000.

The previous prime is 103031312173. The next prime is 103031312239. The reversal of 103031312221 is 122213130301.

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 103031312221 - 2¹³ = 103031304029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031312921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254215 + ... + 520276.

It is an arithmetic number, because the mean of its divisors is an integer number (12978936936).

Almost surely, 2^103031312221 is an apocalyptic number.

It is an amenable number.

103031312221 is a deficient number, since it is larger than the sum of its proper divisors (800183267).

103031312221 is an equidigital number, since it uses as much as digits as its factorization.

103031312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775523.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103031312221 its reverse (122213130301), we get a palindrome (225244442522).

The spelling of 103031312221 in words is "one hundred three billion, thirty-one million, three hundred twelve thousand, two hundred twenty-one".