2311143141 has 4 divisors (see below), whose sum is σ = 3081524192. Its totient is φ = 1540762092.

The previous prime is 2311143113. The next prime is 2311143143. The reversal of 2311143141 is 1413411132.

2311143141 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2311143141 - 2¹⁰ = 2311142117 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 (2311143143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385190521 + ... + 385190526.

It is an arithmetic number, because the mean of its divisors is an integer number (770381048).

Almost surely, 2^2311143141 is an apocalyptic number.

It is an amenable number.

2311143141 is a deficient number, since it is larger than the sum of its proper divisors (770381051).

2311143141 is an equidigital number, since it uses as much as digits as its factorization.

2311143141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770381050.

The product of its digits is 288, while the sum is 21.

The square root of 2311143141 is about 48074.3501360133. The cubic root of 2311143141 is about 1322.1344295892.

Adding to 2311143141 its reverse (1413411132), we get a palindrome (3724554273).

The spelling of 2311143141 in words is "two billion, three hundred eleven million, one hundred forty-three thousand, one hundred forty-one".