1310321101 has 4 divisors (see below), whose sum is σ = 1325043900. Its totient is φ = 1295598304.

The previous prime is 1310321099. The next prime is 1310321107. The reversal of 1310321101 is 1011230131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1011230131 = 28711 ⋅35221.

It can be written as a sum of positive squares in 2 ways, for example, as 129367876 + 1180953225 = 11374^2 + 34365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310321101 - 2¹ = 1310321099 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 (1310321107) 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 3 ways as a sum of consecutive naturals, for example, 7361266 + ... + 7361443.

It is an arithmetic number, because the mean of its divisors is an integer number (331260975).

Almost surely, 2^1310321101 is an apocalyptic number.

It is an amenable number.

1310321101 is a deficient number, since it is larger than the sum of its proper divisors (14722799).

1310321101 is an equidigital number, since it uses as much as digits as its factorization.

1310321101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14722798.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1310321101 is about 36198.3577113659. The cubic root of 1310321101 is about 1094.2735744760.

Adding to 1310321101 its reverse (1011230131), we get a palindrome (2321551232).

The spelling of 1310321101 in words is "one billion, three hundred ten million, three hundred twenty-one thousand, one hundred one".