1311311132303 has 8 divisors (see below), whose sum is σ = 1388591150400. Its totient is φ = 1234047121920.

The previous prime is 1311311132251. The next prime is 1311311132321. The reversal of 1311311132303 is 3032311131131.

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 1311311132303 - 2³⁰ = 1310237390479 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 (1311311131303) 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, 3833063 + ... + 4161128.

It is an arithmetic number, because the mean of its divisors is an integer number (173573893800).

Almost surely, 2^{1311311132303} is an apocalyptic number.

1311311132303 is a deficient number, since it is larger than the sum of its proper divisors (77280018097).

1311311132303 is an equidigital number, since it uses as much as digits as its factorization.

1311311132303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8003857.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1311311132303 its reverse (3032311131131), we get a palindrome (4343622263434).

The spelling of 1311311132303 in words is "one trillion, three hundred eleven billion, three hundred eleven million, one hundred thirty-two thousand, three hundred three".