311230322130 has 128 divisors (see below), whose sum is σ = 967712256000. Its totient is φ = 62210052864.

The previous prime is 311230322129. The next prime is 311230322171. The reversal of 311230322130 is 31223032113.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 311230322097 and 311230322106.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2948230 + ... + 3051969.

It is an arithmetic number, because the mean of its divisors is an integer number (7560252000).

Almost surely, 2^311230322130 is an apocalyptic number.

311230322130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311230322130 is an abundant number, since it is smaller than the sum of its proper divisors (656481933870).

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

311230322130 is a wasteful number, since it uses less digits than its factorization.

311230322130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000248.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 311230322130 its reverse (31223032113), we get a palindrome (342453354243).

The spelling of 311230322130 in words is "three hundred eleven billion, two hundred thirty million, three hundred twenty-two thousand, one hundred thirty".