1313311100323 has 4 divisors (see below), whose sum is σ = 1315619204760. Its totient is φ = 1311002995888.

The previous prime is 1313311100303. The next prime is 1313311100327. The reversal of 1313311100323 is 3230011133131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313311100323 - 2⁹ = 1313311099811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313311100294 and 1313311100303.

It is not an unprimeable number, because it can be changed into a prime (1313311100327) 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, 1154051365 + ... + 1154052502.

It is an arithmetic number, because the mean of its divisors is an integer number (328904801190).

Almost surely, 2^{1313311100323} is an apocalyptic number.

1313311100323 is a deficient number, since it is larger than the sum of its proper divisors (2308104437).

1313311100323 is an equidigital number, since it uses as much as digits as its factorization.

1313311100323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308104436.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1313311100323 its reverse (3230011133131), we get a palindrome (4543322233454).

The spelling of 1313311100323 in words is "one trillion, three hundred thirteen billion, three hundred eleven million, one hundred thousand, three hundred twenty-three".