1310313420233 has 4 divisors (see below), whose sum is σ = 1311957478020. Its totient is φ = 1308669362448.

The previous prime is 1310313420209. The next prime is 1310313420259. The reversal of 1310313420233 is 3320243130131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1096433069449 + 213880350784 = 1047107^2 + 462472^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310313420233 - 2²⁶ = 1310246311369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310313420733) 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, 822027698 + ... + 822029291.

It is an arithmetic number, because the mean of its divisors is an integer number (327989369505).

Almost surely, 2^{1310313420233} is an apocalyptic number.

It is an amenable number.

1310313420233 is a deficient number, since it is larger than the sum of its proper divisors (1644057787).

1310313420233 is an equidigital number, since it uses as much as digits as its factorization.

1310313420233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644057786.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1310313420233 its reverse (3320243130131), we get a palindrome (4630556550364).

The spelling of 1310313420233 in words is "one trillion, three hundred ten billion, three hundred thirteen million, four hundred twenty thousand, two hundred thirty-three".