2311012420 has 24 divisors (see below), whose sum is σ = 4868448984. Its totient is φ = 921486336.

The previous prime is 2311012399. The next prime is 2311012421. The reversal of 2311012420 is 242101132.

It can be written as a sum of positive squares in 4 ways, for example, as 102576384 + 2208436036 = 10128^2 + 46994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2311012394 and 2311012403.

It is not an unprimeable number, because it can be changed into a prime (2311012421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175917 + ... + 188596.

It is an arithmetic number, because the mean of its divisors is an integer number (202852041).

Almost surely, 2^2311012420 is an apocalyptic number.

2311012420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311012420 is an abundant number, since it is smaller than the sum of its proper divisors (2557436564).

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

2311012420 is a wasteful number, since it uses less digits than its factorization.

2311012420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364839 (or 364837 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2311012420 is about 48072.9905456276. The cubic root of 2311012420 is about 1322.1095019549.

Adding to 2311012420 its reverse (242101132), we get a palindrome (2553113552).

The spelling of 2311012420 in words is "two billion, three hundred eleven million, twelve thousand, four hundred twenty".