311422450342 has 16 divisors (see below), whose sum is σ = 467517614400. Its totient is φ = 155583288040.

The previous prime is 311422450333. The next prime is 311422450343. The reversal of 311422450342 is 243054224113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311422450343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30493617 + ... + 30503827.

It is an arithmetic number, because the mean of its divisors is an integer number (29219850900).

Almost surely, 2^311422450342 is an apocalyptic number.

311422450342 is a deficient number, since it is larger than the sum of its proper divisors (156095164058).

311422450342 is a wasteful number, since it uses less digits than its factorization.

311422450342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21251.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 311422450342 its reverse (243054224113), we get a palindrome (554476674455).

The spelling of 311422450342 in words is "three hundred eleven billion, four hundred twenty-two million, four hundred fifty thousand, three hundred forty-two".