311242301120 has 56 divisors (see below), whose sum is σ = 741221473104. Its totient is φ = 124484197376.

The previous prime is 311242301119. The next prime is 311242301173. The reversal of 311242301120 is 21103242113.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 311242301092 and 311242301101.

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, 3476762 + ... + 3565158.

It is an arithmetic number, because the mean of its divisors is an integer number (13236097734).

Almost surely, 2^311242301120 is an apocalyptic number.

It is an amenable number.

311242301120 is an abundant number, since it is smaller than the sum of its proper divisors (429979171984).

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

311242301120 is a wasteful number, since it uses less digits than its factorization.

311242301120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99417 (or 99407 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 311242301120 its reverse (21103242113), we get a palindrome (332345543233).

The spelling of 311242301120 in words is "three hundred eleven billion, two hundred forty-two million, three hundred one thousand, one hundred twenty".