1131130331323 has 4 divisors (see below), whose sum is σ = 1144758407688. Its totient is φ = 1117502254960.

The previous prime is 1131130331281. The next prime is 1131130331341. The reversal of 1131130331323 is 3231330311311.

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 1131130331323 - 2³⁷ = 993691377851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131130331623) 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, 6814038058 + ... + 6814038223.

It is an arithmetic number, because the mean of its divisors is an integer number (286189601922).

Almost surely, 2^{1131130331323} is an apocalyptic number.

1131130331323 is a deficient number, since it is larger than the sum of its proper divisors (13628076365).

1131130331323 is an equidigital number, since it uses as much as digits as its factorization.

1131130331323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13628076364.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 1131130331323 its reverse (3231330311311), we get a palindrome (4362460642634).

The spelling of 1131130331323 in words is "one trillion, one hundred thirty-one billion, one hundred thirty million, three hundred thirty-one thousand, three hundred twenty-three".