311043123041142 has 16 divisors (see below), whose sum is σ = 622086972117552. Its totient is φ = 103680920007840.

The previous prime is 311043123041093. The next prime is 311043123041171. The reversal of 311043123041142 is 241140321340113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24600909 + ... + 35032712.

It is an arithmetic number, because the mean of its divisors is an integer number (38880435757347).

Almost surely, 2^{311043123041142} is an apocalyptic number.

311043123041142 is an abundant number, since it is smaller than the sum of its proper divisors (311043849076410).

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

311043123041142 is a wasteful number, since it uses less digits than its factorization.

311043123041142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60502943.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 311043123041142 its reverse (241140321340113), we get a palindrome (552183444381255).

The spelling of 311043123041142 in words is "three hundred eleven trillion, forty-three billion, one hundred twenty-three million, forty-one thousand, one hundred forty-two".