311022344203142 has 64 divisors (see below), whose sum is σ = 573826426709760. Its totient is φ = 124480864502400.

The previous prime is 311022344203139. The next prime is 311022344203157. The reversal of 311022344203142 is 241302443220113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 311022344203099 and 311022344203108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225213284 + ... + 226590087.

It is an arithmetic number, because the mean of its divisors is an integer number (8966037917340).

Almost surely, 2^{311022344203142} is an apocalyptic number.

311022344203142 is a deficient number, since it is larger than the sum of its proper divisors (262804082506618).

311022344203142 is a wasteful number, since it uses less digits than its factorization.

311022344203142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451803509.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 311022344203142 its reverse (241302443220113), we get a palindrome (552324787423255).

The spelling of 311022344203142 in words is "three hundred eleven trillion, twenty-two billion, three hundred forty-four million, two hundred three thousand, one hundred forty-two".