2311045 has 8 divisors (see below), whose sum is σ = 3025440. Its totient is φ = 1680720.

The previous prime is 2311021. The next prime is 2311051. The reversal of 2311045 is 5401132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2311045 - 2⁵ = 2311013 is a prime.

2311045 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20955 + ... + 21064.

It is an arithmetic number, because the mean of its divisors is an integer number (378180).

2^2311045 is an apocalyptic number.

It is an amenable number.

2311045 is a deficient number, since it is larger than the sum of its proper divisors (714395).

2311045 is a wasteful number, since it uses less digits than its factorization.

2311045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42035.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2311045 is about 1520.2121562466. The cubic root of 2311045 is about 132.2115714834.

Adding to 2311045 its reverse (5401132), we get a palindrome (7712177).

The spelling of 2311045 in words is "two million, three hundred eleven thousand, forty-five".