2140342311 has 16 divisors (see below), whose sum is σ = 2938118400. Its totient is φ = 1385081280.

The previous prime is 2140342297. The next prime is 2140342363. The reversal of 2140342311 is 1132430412.

It is a de Polignac number, because none of the positive numbers 2^k-2140342311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140342411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19245 + ... + 68198.

It is an arithmetic number, because the mean of its divisors is an integer number (183632400).

Almost surely, 2^2140342311 is an apocalyptic number.

2140342311 is a deficient number, since it is larger than the sum of its proper divisors (797776089).

2140342311 is a wasteful number, since it uses less digits than its factorization.

2140342311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87686.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2140342311 is about 46263.8337257085. The cubic root of 2140342311 is about 1288.7274494805.

Adding to 2140342311 its reverse (1132430412), we get a palindrome (3272772723).

The spelling of 2140342311 in words is "two billion, one hundred forty million, three hundred forty-two thousand, three hundred eleven".