2311982063 has 4 divisors (see below), whose sum is σ = 2333589480. Its totient is φ = 2290374648.

The previous prime is 2311982053. The next prime is 2311982069. The reversal of 2311982063 is 3602891132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2311982063 - 2²² = 2307787759 is a prime.

It is a super-2 number, since 2×2311982063² = 10690522119267471938, which contains 22 as substring.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 10803548 + ... + 10803761.

It is an arithmetic number, because the mean of its divisors is an integer number (583397370).

Almost surely, 2^2311982063 is an apocalyptic number.

2311982063 is a deficient number, since it is larger than the sum of its proper divisors (21607417).

2311982063 is a wasteful number, since it uses less digits than its factorization.

2311982063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21607416.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2311982063 is about 48083.0746001127. The cubic root of 2311982063 is about 1322.2943841245.

The spelling of 2311982063 in words is "two billion, three hundred eleven million, nine hundred eighty-two thousand, sixty-three".