2312018 has 4 divisors (see below), whose sum is σ = 3468030. Its totient is φ = 1156008.

The previous prime is 2311993. The next prime is 2312021. The reversal of 2312018 is 8102132.

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

It can be written as a sum of positive squares in only one way, i.e., 1803649 + 508369 = 1343^2 + 713^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2311987 and 2312005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578003 + ... + 578006.

2^2312018 is an apocalyptic number.

2312018 is a deficient number, since it is larger than the sum of its proper divisors (1156012).

2312018 is a wasteful number, since it uses less digits than its factorization.

2312018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156011.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2312018 is about 1520.5321436918. The cubic root of 2312018 is about 132.2301235251.

The spelling of 2312018 in words is "two million, three hundred twelve thousand, eighteen".