311345452642 has 8 divisors (see below), whose sum is σ = 533735061696. Its totient is φ = 133433765412.

The previous prime is 311345452633. The next prime is 311345452711. The reversal of 311345452642 is 246254543113.

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

It is a junction number, because it is equal to n+sod(n) for n = 311345452595 and 311345452604.

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, 11119480438 + ... + 11119480465.

It is an arithmetic number, because the mean of its divisors is an integer number (66716882712).

Almost surely, 2^311345452642 is an apocalyptic number.

311345452642 is a deficient number, since it is larger than the sum of its proper divisors (222389609054).

311345452642 is a wasteful number, since it uses less digits than its factorization.

311345452642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22238960912.

The product of its digits is 345600, while the sum is 40.

Adding to 311345452642 its reverse (246254543113), we get a palindrome (557599995755).

The spelling of 311345452642 in words is "three hundred eleven billion, three hundred forty-five million, four hundred fifty-two thousand, six hundred forty-two".