311441324342440 has 32 divisors (see below), whose sum is σ = 700746989604480. Its totient is φ = 124575816877632.

The previous prime is 311441324342417. The next prime is 311441324342501. The reversal of 311441324342440 is 44243423144113.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 311441324342393 and 311441324342402.

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, 15171252 + ... + 29207011.

It is an arithmetic number, because the mean of its divisors is an integer number (21898343425140).

Almost surely, 2^{311441324342440} is an apocalyptic number.

It is an amenable number.

311441324342440 is an abundant number, since it is smaller than the sum of its proper divisors (389305665262040).

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

311441324342440 is a wasteful number, since it uses less digits than its factorization.

311441324342440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44553721 (or 44553717 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

Adding to 311441324342440 its reverse (44243423144113), we get a palindrome (355684747486553).

The spelling of 311441324342440 in words is "three hundred eleven trillion, four hundred forty-one billion, three hundred twenty-four million, three hundred forty-two thousand, four hundred forty".