1310221313311 has 8 divisors (see below), whose sum is σ = 1367342346240. Its totient is φ = 1253113187832.

The previous prime is 1310221313299. The next prime is 1310221313347. The reversal of 1310221313311 is 1133131220131.

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 1310221313311 - 2⁷ = 1310221313183 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 (1310221313111) 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, 3019135 + ... + 3425728.

It is an arithmetic number, because the mean of its divisors is an integer number (170917793280).

Almost surely, 2^{1310221313311} is an apocalyptic number.

1310221313311 is a deficient number, since it is larger than the sum of its proper divisors (57121032929).

1310221313311 is an equidigital number, since it uses as much as digits as its factorization.

1310221313311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453725.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1310221313311 its reverse (1133131220131), we get a palindrome (2443352533442).

The spelling of 1310221313311 in words is "one trillion, three hundred ten billion, two hundred twenty-one million, three hundred thirteen thousand, three hundred eleven".