2311982064 has 60 divisors (see below), whose sum is σ = 7394676016. Its totient is φ = 660566016.

The previous prime is 2311982053. The next prime is 2311982069. The reversal of 2311982064 is 4602891132.

It is a super-2 number, since 2×2311982064² = 10690522128515400192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311982069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1145809 + ... + 1147824.

Almost surely, 2^2311982064 is an apocalyptic number.

2311982064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2311982064 is an abundant number, since it is smaller than the sum of its proper divisors (5082693952).

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

2311982064 is a wasteful number, since it uses less digits than its factorization.

2311982064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293654 (or 2293645 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2311982064 is about 48083.0746105113. The cubic root of 2311982064 is about 1322.2943843152.

The spelling of 2311982064 in words is "two billion, three hundred eleven million, nine hundred eighty-two thousand, sixty-four".