311324323433020 has 48 divisors (see below), whose sum is σ = 693780524589600. Its totient is φ = 116943416705024.

The previous prime is 311324323432951. The next prime is 311324323433051. The reversal of 311324323433020 is 20334323423113.

It is a happy number.

It is a super-2 number, since 2×311324323433020² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1019513014 + ... + 1019818333.

It is an arithmetic number, because the mean of its divisors is an integer number (14453760928950).

Almost surely, 2^{311324323433020} is an apocalyptic number.

It is an amenable number.

311324323433020 is an abundant number, since it is smaller than the sum of its proper divisors (382456201156580).

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

311324323433020 is a wasteful number, since it uses less digits than its factorization.

311324323433020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039331822 (or 2039331820 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 34.

Adding to 311324323433020 its reverse (20334323423113), we get a palindrome (331658646856133).

The spelling of 311324323433020 in words is "three hundred eleven trillion, three hundred twenty-four billion, three hundred twenty-three million, four hundred thirty-three thousand, twenty".