311452545435242 has 8 divisors (see below), whose sum is σ = 467328506985732. Its totient is φ = 155676376440000.

The previous prime is 311452545435221. The next prime is 311452545435259. The reversal of 311452545435242 is 242534545254113.

It can be written as a sum of positive squares in 2 ways, for example, as 311420879588641 + 31665846601 = 17647121^2 + 177949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24948131009 + ... + 24948143492.

Almost surely, 2^{311452545435242} is an apocalyptic number.

311452545435242 is a deficient number, since it is larger than the sum of its proper divisors (155875961550490).

311452545435242 is a wasteful number, since it uses less digits than its factorization.

311452545435242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49896277624.

The product of its digits is 11520000, while the sum is 50.

The spelling of 311452545435242 in words is "three hundred eleven trillion, four hundred fifty-two billion, five hundred forty-five million, four hundred thirty-five thousand, two hundred forty-two".