2311445139 has 8 divisors (see below), whose sum is σ = 3082545552. Its totient is φ = 1540654080.

The previous prime is 2311445119. The next prime is 2311445159. The reversal of 2311445139 is 9315441132.

2311445139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2311445119) and next prime (2311445159).

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

It is not a de Polignac number, because 2311445139 - 2⁷ = 2311445011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2311445119) 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, 59302 + ... + 90219.

It is an arithmetic number, because the mean of its divisors is an integer number (385318194).

Almost surely, 2^2311445139 is an apocalyptic number.

2311445139 is a deficient number, since it is larger than the sum of its proper divisors (771100413).

2311445139 is a wasteful number, since it uses less digits than its factorization.

2311445139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154677.

The product of its digits is 12960, while the sum is 33.

The square root of 2311445139 is about 48077.4909807074. The cubic root of 2311445139 is about 1322.1920150263.

The spelling of 2311445139 in words is "two billion, three hundred eleven million, four hundred forty-five thousand, one hundred thirty-nine".