311011221130 has 32 divisors (see below), whose sum is σ = 562655798208. Its totient is φ = 123774739200.

The previous prime is 311011221071. The next prime is 311011221137. The reversal of 311011221130 is 31122110113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (311011221137) by changing a digit.

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, 6968185 + ... + 7012675.

It is an arithmetic number, because the mean of its divisors is an integer number (17582993694).

Almost surely, 2^311011221130 is an apocalyptic number.

311011221130 is a deficient number, since it is larger than the sum of its proper divisors (251644577078).

311011221130 is a wasteful number, since it uses less digits than its factorization.

311011221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48022.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 311011221130 its reverse (31122110113), we get a palindrome (342133331243).

The spelling of 311011221130 in words is "three hundred eleven billion, eleven million, two hundred twenty-one thousand, one hundred thirty".