3124043431 has 4 divisors (see below), whose sum is σ = 3125380264. Its totient is φ = 3122706600.

The previous prime is 3124043393. The next prime is 3124043443. The reversal of 3124043431 is 1343404213.

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 3124043431 - 2¹¹ = 3124041383 is a prime.

It is a super-2 number, since 2×3124043431² = 19519294717548503522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3124043396 and 3124043405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3124043491) 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, 664905 + ... + 669586.

It is an arithmetic number, because the mean of its divisors is an integer number (781345066).

Almost surely, 2^3124043431 is an apocalyptic number.

3124043431 is a deficient number, since it is larger than the sum of its proper divisors (1336833).

3124043431 is a wasteful number, since it uses less digits than its factorization.

3124043431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336832.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3124043431 is about 55893.1429694198. The cubic root of 3124043431 is about 1461.8596792310.

Adding to 3124043431 its reverse (1343404213), we get a palindrome (4467447644).

The spelling of 3124043431 in words is "three billion, one hundred twenty-four million, forty-three thousand, four hundred thirty-one".