1310434323221 has 4 divisors (see below), whose sum is σ = 1310436867744. Its totient is φ = 1310431778700.

The previous prime is 1310434323199. The next prime is 1310434323251. The reversal of 1310434323221 is 1223234340131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1310434323221 - 2¹⁴ = 1310434306837 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 (1310434323251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196625 + ... + 1630806.

It is an arithmetic number, because the mean of its divisors is an integer number (327609216936).

Almost surely, 2^{1310434323221} is an apocalyptic number.

It is an amenable number.

1310434323221 is a deficient number, since it is larger than the sum of its proper divisors (2544523).

1310434323221 is an equidigital number, since it uses as much as digits as its factorization.

1310434323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544522.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1310434323221 its reverse (1223234340131), we get a palindrome (2533668663352).

The spelling of 1310434323221 in words is "one trillion, three hundred ten billion, four hundred thirty-four million, three hundred twenty-three thousand, two hundred twenty-one".