2311930720 has 48 divisors (see below), whose sum is σ = 5958480528. Its totient is φ = 840701440.

The previous prime is 2311930633. The next prime is 2311930763. The reversal of 2311930720 is 270391132.

It is a congruent number.

It is an unprimeable number.

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, 655039 + ... + 658558.

It is an arithmetic number, because the mean of its divisors is an integer number (124135011).

Almost surely, 2^2311930720 is an apocalyptic number.

2311930720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311930720 is an abundant number, since it is smaller than the sum of its proper divisors (3646549808).

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

2311930720 is a wasteful number, since it uses less digits than its factorization.

2311930720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313623 (or 1313615 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2311930720 is about 48082.5406982618. The cubic root of 2311930720 is about 1322.2845958330.

The spelling of 2311930720 in words is "two billion, three hundred eleven million, nine hundred thirty thousand, seven hundred twenty".