311121423006 has 16 divisors (see below), whose sum is σ = 622304375184. Its totient is φ = 103696886144.

The previous prime is 311121422939. The next prime is 311121423007. The reversal of 311121423006 is 600324121113.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311121423007) 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, 2497851 + ... + 2619446.

It is an arithmetic number, because the mean of its divisors is an integer number (38894023449).

Almost surely, 2^311121423006 is an apocalyptic number.

311121423006 is an abundant number, since it is smaller than the sum of its proper divisors (311182952178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311121423006 is a wasteful number, since it uses less digits than its factorization.

311121423006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127435.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 311121423006 its reverse (600324121113), we get a palindrome (911445544119).

The spelling of 311121423006 in words is "three hundred eleven billion, one hundred twenty-one million, four hundred twenty-three thousand, six".