311402045552144 has 20 divisors (see below), whose sum is σ = 603431797565760. Its totient is φ = 155677710696480.

The previous prime is 311402045552119. The next prime is 311402045552197. The reversal of 311402045552144 is 441255540204113.

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, 1456894772 + ... + 1457108499.

It is an arithmetic number, because the mean of its divisors is an integer number (30171589878288).

Almost surely, 2^{311402045552144} is an apocalyptic number.

It is an amenable number.

311402045552144 is a deficient number, since it is larger than the sum of its proper divisors (292029752013616).

311402045552144 is a wasteful number, since it uses less digits than its factorization.

311402045552144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914009958 (or 2914009952 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 311402045552144 its reverse (441255540204113), we get a palindrome (752657585756257).

The spelling of 311402045552144 in words is "three hundred eleven trillion, four hundred two billion, forty-five million, five hundred fifty-two thousand, one hundred forty-four".