2311212130 has 64 divisors (see below), whose sum is σ = 4461972480. Its totient is φ = 860025600.

The previous prime is 2311212119. The next prime is 2311212131. The reversal of 2311212130 is 312121132.

It is not an unprimeable number, because it can be changed into a prime (2311212131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2849425 + ... + 2850235.

It is an arithmetic number, because the mean of its divisors is an integer number (69718320).

Almost surely, 2^2311212130 is an apocalyptic number.

2311212130 is a deficient number, since it is larger than the sum of its proper divisors (2150760350).

2311212130 is a wasteful number, since it uses less digits than its factorization.

2311212130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2311212130 is about 48075.0676546586. The cubic root of 2311212130 is about 1322.1475849585.

Adding to 2311212130 its reverse (312121132), we get a palindrome (2623333262).

The spelling of 2311212130 in words is "two billion, three hundred eleven million, two hundred twelve thousand, one hundred thirty".