311212322130 has 32 divisors (see below), whose sum is σ = 751666970304. Its totient is φ = 82461352896.

The previous prime is 311212322129. The next prime is 311212322149. The reversal of 311212322130 is 31223212113.

It is a junction number, because it is equal to n+sod(n) for n = 311212322097 and 311212322106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33032692 + ... + 33042111.

It is an arithmetic number, because the mean of its divisors is an integer number (23489592822).

Almost surely, 2^311212322130 is an apocalyptic number.

311212322130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311212322130 is an abundant number, since it is smaller than the sum of its proper divisors (440454648174).

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

311212322130 is a wasteful number, since it uses less digits than its factorization.

311212322130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66074970.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 311212322130 its reverse (31223212113), we get a palindrome (342435534243).

The spelling of 311212322130 in words is "three hundred eleven billion, two hundred twelve million, three hundred twenty-two thousand, one hundred thirty".