83043431 has 4 divisors (see below), whose sum is σ = 83093352. Its totient is φ = 82993512.

The previous prime is 83043427. The next prime is 83043437. The reversal of 83043431 is 13434038.

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 83043431 - 2² = 83043427 is a prime.

It is a super-2 number, since 2×83043431² = 13792422864503522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83043431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83043437) 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, 22376 + ... + 25821.

It is an arithmetic number, because the mean of its divisors is an integer number (20773338).

Almost surely, 2^83043431 is an apocalyptic number.

83043431 is a deficient number, since it is larger than the sum of its proper divisors (49921).

83043431 is a wasteful number, since it uses less digits than its factorization.

83043431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49920.

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

The square root of 83043431 is about 9112.8168532019. The cubic root of 83043431 is about 436.2831378511.

Adding to 83043431 its reverse (13434038), we get a palindrome (96477469).

The spelling of 83043431 in words is "eighty-three million, forty-three thousand, four hundred thirty-one".