4311234143 has 4 divisors (see below), whose sum is σ = 4325008368. Its totient is φ = 4297459920.

The previous prime is 4311234133. The next prime is 4311234157. The reversal of 4311234143 is 3414321134.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4311234143 - 2⁸ = 4311233887 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 (4311234133) 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, 6886643 + ... + 6887268.

It is an arithmetic number, because the mean of its divisors is an integer number (1081252092).

Almost surely, 2^4311234143 is an apocalyptic number.

4311234143 is a deficient number, since it is larger than the sum of its proper divisors (13774225).

4311234143 is a wasteful number, since it uses less digits than its factorization.

4311234143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13774224.

The product of its digits is 3456, while the sum is 26.

The square root of 4311234143 is about 65659.9889049640. The cubic root of 4311234143 is about 1627.5482408505.

Adding to 4311234143 its reverse (3414321134), we get a palindrome (7725555277).

The spelling of 4311234143 in words is "four billion, three hundred eleven million, two hundred thirty-four thousand, one hundred forty-three".