1131312303323 has 4 divisors (see below), whose sum is σ = 1131651938088. Its totient is φ = 1130972668560.

The previous prime is 1131312303301. The next prime is 1131312303361. The reversal of 1131312303323 is 3233032131311.

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 1131312303323 - 2¹⁴ = 1131312286939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131312303292 and 1131312303301.

It is not an unprimeable number, because it can be changed into a prime (1131312300323) 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, 169812386 + ... + 169819047.

It is an arithmetic number, because the mean of its divisors is an integer number (282912984522).

Almost surely, 2^{1131312303323} is an apocalyptic number.

1131312303323 is a deficient number, since it is larger than the sum of its proper divisors (339634765).

1131312303323 is an equidigital number, since it uses as much as digits as its factorization.

1131312303323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339634764.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1131312303323 its reverse (3233032131311), we get a palindrome (4364344434634).

The spelling of 1131312303323 in words is "one trillion, one hundred thirty-one billion, three hundred twelve million, three hundred three thousand, three hundred twenty-three".