2311311045 has 16 divisors (see below), whose sum is σ = 3758723712. Its totient is φ = 1212490560.

The previous prime is 2311311019. The next prime is 2311311077. The reversal of 2311311045 is 5401131132.

2311311045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2311311045 - 2⁸ = 2311310789 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1262097 + ... + 1263926.

It is an arithmetic number, because the mean of its divisors is an integer number (234920232).

Almost surely, 2^2311311045 is an apocalyptic number.

It is an amenable number.

2311311045 is a deficient number, since it is larger than the sum of its proper divisors (1447412667).

2311311045 is a wasteful number, since it uses less digits than its factorization.

2311311045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526092.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2311311045 is about 48076.0963993542. The cubic root of 2311311045 is about 1322.1664463980.

Adding to 2311311045 its reverse (5401131132), we get a palindrome (7712442177).

The spelling of 2311311045 in words is "two billion, three hundred eleven million, three hundred eleven thousand, forty-five".