1310441221 has 8 divisors (see below), whose sum is σ = 1343727000. Its totient is φ = 1277218560.

The previous prime is 1310441219. The next prime is 1310441233. The reversal of 1310441221 is 1221440131.

It can be written as a sum of positive squares in 4 ways, for example, as 162180225 + 1148260996 = 12735^2 + 33886^2 .

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 1310441221 - 2¹ = 1310441219 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 (1310441281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27775 + ... + 58243.

It is an arithmetic number, because the mean of its divisors is an integer number (167965875).

Almost surely, 2^1310441221 is an apocalyptic number.

It is an amenable number.

1310441221 is a deficient number, since it is larger than the sum of its proper divisors (33285779).

1310441221 is a wasteful number, since it uses less digits than its factorization.

1310441221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31559.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1310441221 is about 36200.0168646370. The cubic root of 1310441221 is about 1094.3070116046.

Adding to 1310441221 its reverse (1221440131), we get a palindrome (2531881352).

The spelling of 1310441221 in words is "one billion, three hundred ten million, four hundred forty-one thousand, two hundred twenty-one".