311444130342 has 16 divisors (see below), whose sum is σ = 622976336640. Its totient is φ = 103800030792.

The previous prime is 311444130329. The next prime is 311444130353. The reversal of 311444130342 is 243031444113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3623818 + ... + 3708765.

It is an arithmetic number, because the mean of its divisors is an integer number (38936021040).

Almost surely, 2^311444130342 is an apocalyptic number.

311444130342 is an abundant number, since it is smaller than the sum of its proper divisors (311532206298).

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

311444130342 is a wasteful number, since it uses less digits than its factorization.

311444130342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339667.

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

Adding to 311444130342 its reverse (243031444113), we get a palindrome (554475574455).

The spelling of 311444130342 in words is "three hundred eleven billion, four hundred forty-four million, one hundred thirty thousand, three hundred forty-two".