2311034420 has 12 divisors (see below), whose sum is σ = 4853172324. Its totient is φ = 924413760.

The previous prime is 2311034357. The next prime is 2311034437. The reversal of 2311034420 is 244301132.

It can be written as a sum of positive squares in 2 ways, for example, as 1521312016 + 789722404 = 39004^2 + 28102^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 115551721 = 2311034420 / (2 + 3 + 1 + 1 + 0 + 3 + 4 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2311034392 and 2311034401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57775841 + ... + 57775880.

It is an arithmetic number, because the mean of its divisors is an integer number (404431027).

Almost surely, 2^2311034420 is an apocalyptic number.

2311034420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311034420 is an abundant number, since it is smaller than the sum of its proper divisors (2542137904).

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

2311034420 is a wasteful number, since it uses less digits than its factorization.

2311034420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115551730 (or 115551728 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2311034420 is about 48073.2193637996. The cubic root of 2311034420 is about 1322.1136972759.

Adding to 2311034420 its reverse (244301132), we get a palindrome (2555335552).

The spelling of 2311034420 in words is "two billion, three hundred eleven million, thirty-four thousand, four hundred twenty".