1131113031323 has 24 divisors (see below), whose sum is σ = 1261937270640. Its totient is φ = 1005461795520.

The previous prime is 1131113031317. The next prime is 1131113031383. The reversal of 1131113031323 is 3231303111311.

It is not a de Polignac number, because 1131113031323 - 2⁶ = 1131113031259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131113031383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26537513 + ... + 26580101.

It is an arithmetic number, because the mean of its divisors is an integer number (52580719610).

Almost surely, 2^{1131113031323} is an apocalyptic number.

1131113031323 is a deficient number, since it is larger than the sum of its proper divisors (130824239317).

1131113031323 is a wasteful number, since it uses less digits than its factorization.

1131113031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43787 (or 43740 counting only the distinct ones).

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

Adding to 1131113031323 its reverse (3231303111311), we get a palindrome (4362416142634).

The spelling of 1131113031323 in words is "one trillion, one hundred thirty-one billion, one hundred thirteen million, thirty-one thousand, three hundred twenty-three".