1131212141323 has 16 divisors (see below), whose sum is σ = 1239688958976. Its totient is φ = 1023677663040.

The previous prime is 1131212141303. The next prime is 1131212141327. The reversal of 1131212141323 is 3231412121311.

It is a cyclic number.

It is not a de Polignac number, because 1131212141323 - 2³³ = 1122622206731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131212141327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9493090 + ... + 9611512.

It is an arithmetic number, because the mean of its divisors is an integer number (77480559936).

Almost surely, 2^{1131212141323} is an apocalyptic number.

1131212141323 is a deficient number, since it is larger than the sum of its proper divisors (108476817653).

1131212141323 is a wasteful number, since it uses less digits than its factorization.

1131212141323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122394.

The product of its digits is 864, while the sum is 25.

Adding to 1131212141323 its reverse (3231412121311), we get a palindrome (4362624262634).

The spelling of 1131212141323 in words is "one trillion, one hundred thirty-one billion, two hundred twelve million, one hundred forty-one thousand, three hundred twenty-three".