312330032222311 has 4 divisors (see below), whose sum is σ = 312381716827432. Its totient is φ = 312278347617192.

The previous prime is 312330032222267. The next prime is 312330032222449. The reversal of 312330032222311 is 113222230033213.

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 312330032222311 - 2²⁷ = 312329898004583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312330032222311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312330032282311) 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, 25842293496 + ... + 25842305581.

It is an arithmetic number, because the mean of its divisors is an integer number (78095429206858).

Almost surely, 2^{312330032222311} is an apocalyptic number.

312330032222311 is a deficient number, since it is larger than the sum of its proper divisors (51684605121).

312330032222311 is an equidigital number, since it uses as much as digits as its factorization.

312330032222311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51684605120.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 312330032222311 its reverse (113222230033213), we get a palindrome (425552262255524).

The spelling of 312330032222311 in words is "three hundred twelve trillion, three hundred thirty billion, thirty-two million, two hundred twenty-two thousand, three hundred eleven".