12320000311 has 8 divisors (see below), whose sum is σ = 12973478400. Its totient is φ = 11667027960.

The previous prime is 12320000293. The next prime is 12320000321. The reversal of 12320000311 is 11300002321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12320000311 - 2⁵ = 12320000279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12320000291 and 12320000300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320000321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75901 + ... + 174358.

It is an arithmetic number, because the mean of its divisors is an integer number (1621684800).

Almost surely, 2^12320000311 is an apocalyptic number.

12320000311 is a deficient number, since it is larger than the sum of its proper divisors (653478089).

12320000311 is a wasteful number, since it uses less digits than its factorization.

12320000311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252869.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12320000311 its reverse (11300002321), we get a palindrome (23620002632).

The spelling of 12320000311 in words is "twelve billion, three hundred twenty million, three hundred eleven", and thus it is an aban number.