2311344445 has 8 divisors (see below), whose sum is σ = 2781608544. Its totient is φ = 1843745424.

The previous prime is 2311344443. The next prime is 2311344449. The reversal of 2311344445 is 5444431132.

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

It is a cyclic number.

It is not a de Polignac number, because 2311344445 - 2¹ = 2311344443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311344443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664359 + ... + 667828.

It is an arithmetic number, because the mean of its divisors is an integer number (347701068).

Almost surely, 2^2311344445 is an apocalyptic number.

It is an amenable number.

2311344445 is a deficient number, since it is larger than the sum of its proper divisors (470264099).

2311344445 is a wasteful number, since it uses less digits than its factorization.

2311344445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332539.

The product of its digits is 23040, while the sum is 31.

The square root of 2311344445 is about 48076.4437640722. The cubic root of 2311344445 is about 1322.1728150989.

Adding to 2311344445 its reverse (5444431132), we get a palindrome (7755775577).

The spelling of 2311344445 in words is "two billion, three hundred eleven million, three hundred forty-four thousand, four hundred forty-five".