12311032323019 has 4 divisors (see below), whose sum is σ = 12312350853544. Its totient is φ = 12309713792496.

The previous prime is 12311032323017. The next prime is 12311032323041. The reversal of 12311032323019 is 91032323011321.

It is a happy number.

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 12311032323019 - 2¹ = 12311032323017 is a prime.

It is a super-2 number, since 2×12311032323019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311032323017) 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, 659251257 + ... + 659269930.

It is an arithmetic number, because the mean of its divisors is an integer number (3078087713386).

Almost surely, 2^{12311032323019} is an apocalyptic number.

12311032323019 is a deficient number, since it is larger than the sum of its proper divisors (1318530525).

12311032323019 is an equidigital number, since it uses as much as digits as its factorization.

12311032323019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318530524.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 12311032323019 in words is "twelve trillion, three hundred eleven billion, thirty-two million, three hundred twenty-three thousand, nineteen".