311421202004424 has 32 divisors (see below), whose sum is σ = 778571108003520. Its totient is φ = 103804653602496.

The previous prime is 311421202004281. The next prime is 311421202004459. The reversal of 311421202004424 is 424400202124113.

It is a junction number, because it is equal to n+sod(n) for n = 311421202004391 and 311421202004400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149804452 + ... + 151869075.

It is an arithmetic number, because the mean of its divisors is an integer number (24330347125110).

Almost surely, 2^{311421202004424} is an apocalyptic number.

It is an amenable number.

311421202004424 is an abundant number, since it is smaller than the sum of its proper divisors (467149905999096).

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

311421202004424 is a wasteful number, since it uses less digits than its factorization.

311421202004424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301716549 (or 301716545 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 311421202004424 its reverse (424400202124113), we get a palindrome (735821404128537).

The spelling of 311421202004424 in words is "three hundred eleven trillion, four hundred twenty-one billion, two hundred two million, four thousand, four hundred twenty-four".