311440310202342 has 16 divisors (see below), whose sum is σ = 622880899356672. Its totient is φ = 103813390242120.

The previous prime is 311440310202341. The next prime is 311440310202419. The reversal of 311440310202342 is 243202013044113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311440310202341) 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, 4641867 + ... + 25385577.

It is an arithmetic number, because the mean of its divisors is an integer number (38930056209792).

Almost surely, 2^{311440310202342} is an apocalyptic number.

311440310202342 is an abundant number, since it is smaller than the sum of its proper divisors (311440589154330).

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

311440310202342 is a wasteful number, since it uses less digits than its factorization.

311440310202342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23246003.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 311440310202342 its reverse (243202013044113), we get a palindrome (554642323246455).

The spelling of 311440310202342 in words is "three hundred eleven trillion, four hundred forty billion, three hundred ten million, two hundred two thousand, three hundred forty-two".